---METADATA---
VENDOR: Tenda
PRODUCT: F1202
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A vulnerability in the Tenda F1202 router could allow an attacker to bypass security measures and perform unauthorized actions.

Executive Summary:
A critical vulnerability in the Tenda F1202 router could allow an attacker to gain unauthorized control, compromising the security of the local network.

Vulnerability Details

CVE-ID: CVE-2026-9431

Affected Software: Tenda F1202

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This firmware vulnerability in the Tenda F1202 router allows for potential unauthorized actions due to insufficient security controls. It likely provides an entry point for an attacker to interact with the device's management functions without proper authorization.

Business Impact

Given the CVSS score of 8.8, this flaw is highly critical. A successful exploit grants the attacker control over the router, which can be used to monitor traffic, modify settings, and compromise other devices connected to the same network.

Remediation Plan

Immediate Action: Apply the latest firmware update for the Tenda F1202 as soon as it is released by the manufacturer.

Proactive Monitoring: Review router logs frequently for unusual management activity and changes to security configurations.

Compensating Controls: Ensure that the router's management interface is inaccessible from the internet and protected by a strong, unique password.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of May 27, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Maintaining the integrity of network gateways is a high priority for security teams. Users of the Tenda F1202 should apply the vendor's patches immediately to prevent unauthorized access and maintain network security.

---METADATA---
VENDOR: Tenda
PRODUCT: F1202
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A critical security vulnerability has been determined in the Tenda F1202 router, potentially allowing for remote exploitation of the device.

Executive Summary:
A critical vulnerability in the Tenda F1202 router poses a high risk of unauthorized device control and potential network-wide security compromise.

Vulnerability Details

CVE-ID: CVE-2026-9430

Affected Software: Tenda F1202

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability in the Tenda F1202 firmware likely involves an authentication or input validation flaw that enables unauthorized access to sensitive router functions. Such issues can often be exploited to manipulate router settings or execute code.

Business Impact

With a CVSS score of 8.8, this vulnerability is classified as high-risk. Successful exploitation allows an attacker to compromise the gateway between the internal network and the internet, facilitating traffic interception and further attacks on internal resources.

Remediation Plan

Immediate Action: Update the Tenda F1202 firmware to the latest available version as provided by the vendor.

Proactive Monitoring: Monitor internal network traffic for signs of unauthorized access or anomalous activity originating from the router.

Compensating Controls: Restrict management interface access to a secure, internal-only management network segment.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of May 27, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Administrators should prioritize the security of their perimeter devices. The Tenda F1202 must be patched immediately to close this vulnerability and protect the network from potential exploitation.

---METADATA---
VENDOR: Tenda
PRODUCT: F1202
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability has been identified in the Tenda F1202 router, potentially allowing an attacker to execute unauthorized commands or access sensitive data.

Executive Summary:
A critical vulnerability in the Tenda F1202 router presents a significant risk of device compromise and unauthorized network access.

Vulnerability Details

CVE-ID: CVE-2026-9429

Affected Software: Tenda F1202

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The vulnerability involves a flaw in the Tenda F1202 firmware that potentially permits unauthorized access or command execution. This flaw typically resides in the device's web management interface, which is a common vector for remote exploitation.

Business Impact

The CVSS score of 8.8 indicates a high-risk scenario where an attacker could gain persistent control over the network. The resulting impact includes the potential loss of data confidentiality and the ability for the attacker to move laterally within the network.

Remediation Plan

Immediate Action: Apply the latest firmware update provided by Tenda to all affected F1202 units.

Proactive Monitoring: Monitor network traffic for unusual activity and regularly check the router’s configuration for unauthorized modifications.

Compensating Controls: Disable WAN-side administration and implement strong, unique passwords for the administrative interface.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of May 27, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Security teams must treat this vulnerability with high urgency. Patching the Tenda F1202 is essential to prevent unauthorized access and protect the overall security posture of the network.

---METADATA---
VENDOR: Tenda
PRODUCT: F1202
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A vulnerability has been discovered in the Tenda F1202 router, which may allow an attacker to compromise the device's integrity.

Executive Summary:
A critical vulnerability in the Tenda F1202 router could allow an attacker to gain unauthorized control, risking the security of the entire local network.

Vulnerability Details

CVE-ID: CVE-2026-9428

Affected Software: Tenda F1202

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability affects the Tenda F1202 router firmware. The nature of the flaw allows for potential unauthorized actions, which could range from configuration manipulation to arbitrary code execution, depending on the specific entry point.

Business Impact

Given the CVSS score of 8.8, this vulnerability poses a high risk. Compromise of the router allows an attacker to control the flow of network traffic, potentially leading to data theft, credential harvesting, and the infiltration of other connected devices within the network.

Remediation Plan

Immediate Action: Update the firmware of the Tenda F1202 to the latest version provided by the manufacturer.

Proactive Monitoring: Review router access logs for suspicious administrative activity and monitor for unauthorized changes to security settings.

Compensating Controls: Ensure the router is not accessible from the public internet and restrict access to the web management interface to trusted local IP addresses.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of May 27, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Router vulnerabilities are critical due to their position as the gateway to the internal network. Tenda F1202 owners should apply the necessary firmware updates immediately to mitigate the threat of unauthorized access and network compromise.

---METADATA---
VENDOR: Tenda
PRODUCT: F456
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability has been identified in Tenda F456 routers, potentially exposing the device to unauthorized administrative control.

Executive Summary:
A critical security vulnerability in the Tenda F456 router may allow an attacker to gain unauthorized access or control over the device.

Vulnerability Details

CVE-ID: CVE-2026-9389

Affected Software: Tenda F456

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The vulnerability relates to a security flaw in the firmware of the Tenda F456. While specific technical details are pending, such vulnerabilities in consumer-grade routers typically involve authentication bypass or command injection flaws.

Business Impact

With a CVSS score of 8.8, the potential for full device compromise is significant. An attacker who gains control of the router can intercept traffic, perform man-in-the-middle attacks, and pivot into the internal network, causing severe risk to all connected endpoints.

Remediation Plan

Immediate Action: Check the Tenda support website for firmware updates and apply them to all F456 devices immediately.

Proactive Monitoring: Monitor for unexpected traffic patterns or changes to device configuration settings that suggest unauthorized tampering.

Compensating Controls: Disable remote management features on the router and ensure that the administrative interface is not exposed to the public internet.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of May 27, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Network perimeter devices are high-value targets for attackers. Users of Tenda F456 hardware should prioritize the deployment of vendor-supplied patches to secure their local network gateway against potential remote exploitation.

---METADATA---
VENDOR: Tenda
PRODUCT: F456
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
CONFIDENCE: low
MISSING: technical_details, patch
---END_METADATA---

Description Summary:
A critical security vulnerability has been identified in the Tenda F456 router, potentially allowing unauthorized system access.

Executive Summary:
Tenda F456 routers are affected by a high-severity vulnerability that poses a significant risk to network security and device integrity.

Vulnerability Details

CVE-ID: CVE-2026-7101

Affected Software: Tenda F456

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The vulnerability affects the Tenda F456; however, specific technical details regarding the attack vector or authentication requirements are currently sparse, necessitating a cautious approach to security posture.

Business Impact

With a CVSS score of 8.8, this vulnerability represents a severe threat to network perimeter security. Compromise of an edge device such as a router can lead to full network interception, traffic redirection, and the potential for a complete breach of the internal corporate environment.

Remediation Plan

Immediate Action: Check the Tenda support portal for the latest firmware updates and apply them to all affected F456 devices immediately.

Proactive Monitoring: Monitor network traffic for anomalous outbound connections or unauthorized changes to device configuration settings.

Compensating Controls: If a patch is unavailable, isolate the device from the public internet or place it behind a secondary firewall to limit exposure.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of May 29, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Given the high CVSS score, this issue should be treated with urgency. Administrators should monitor for official vendor communication and apply firmware updates as soon as they become available to prevent potential device takeover.

---METADATA---
VENDOR: Tenda
PRODUCT: A15
AFFECTED_VERSIONS: 15.13.07.13
---END_METADATA---

Description Summary:
A stack-based buffer overflow in the Tenda A15 UploadCfg function allows remote attackers to execute arbitrary code via a malicious File argument.

Executive Summary:
Tenda A15 WiFi extenders are vulnerable to a critical remote code execution flaw due to a buffer overflow in the configuration upload function.

Vulnerability Details

CVE-ID: CVE-2026-4567

Affected Software: Tenda A15

Affected Versions: 15.13.07.13

Vulnerability: A stack-based buffer overflow exists in the UploadCfg function within the /cgi-bin/UploadCfg file. A remote, unauthenticated attacker can manipulate the File argument to overflow the stack and gain control of the device.

Business Impact

Successful exploitation allows an attacker to gain full control over the Tenda A15 device. This can lead to the interception of network traffic, redirection of users to malicious websites (DNS hijacking), and use of the device as a pivot point for further attacks on the internal network. The CVSS score of 9.8 underscores the critical nature of this hardware vulnerability.

Remediation Plan

Immediate Action: Update the Tenda A15 firmware to the latest version provided by the vendor. If no patch is available, consider replacing the device.

Proactive Monitoring: Monitor for unusual outbound traffic from the device and review administrative logs for unauthorized configuration changes.

Compensating Controls: Disable the web management interface from being accessible over the WAN and ensure the device is behind a robust network firewall.

Exploitation Status

Public Exploit Available: true

Analyst Notes: As of March 23, 2026, the exploit for this vulnerability has been disclosed to the public. Active exploitation should be assumed for any devices exposed to the internet or untrusted local networks.

Analyst Recommendation

The public availability of an exploit for a CVSS 9.8 vulnerability makes this a critical priority. Administrators should apply the vendor-supplied firmware update immediately or decommission the affected hardware to prevent network compromise.

---METADATA---
VENDOR: Tenda
PRODUCT: AC8
AFFECTED_VERSIONS: up to 16.03.50.11
CONFIDENCE: high
MISSING: patch
---END_METADATA---

Description Summary:
A stack-based buffer overflow in the Tenda AC8 HTTP endpoint allows remote attackers to execute arbitrary commands.

Executive Summary:
A critical stack-based buffer overflow in Tenda AC8 allows unauthenticated remote attackers to execute arbitrary code via the HTTP interface.

Vulnerability Details

CVE-ID: CVE-2026-4254

Affected Software: Tenda AC8

Affected Versions: up to 16.03.50.11

Vulnerability: The vulnerability exists in the doSystemCmd function of the /goform/SysToolChangePwd file. An unauthenticated remote attacker can trigger a stack-based buffer overflow by manipulating the local_2c argument.

Business Impact

The CVSS score of 9.8 underscores the extreme risk posed by this vulnerability. Remote code execution on networking hardware like the Tenda AC8 can allow attackers to intercept traffic, redirect users, or gain persistence within the local network, leading to widespread data compromise.

Remediation Plan

Immediate Action: Update the Tenda AC8 firmware to the latest available version provided by the manufacturer.

Proactive Monitoring: Monitor network traffic for unusual HTTP requests targeting the /goform/SysToolChangePwd endpoint.

Compensating Controls: Restrict access to the router's management interface to trusted internal IP addresses only.

Exploitation Status

Public Exploit Available: Yes

Analyst Notes: As of Mar 16, 2026, a public exploit is available for this vulnerability. Given the ease of exploitation, the risk of active attacks is extremely high.

Analyst Recommendation

Due to the availability of public exploits and the critical nature of the flaw, immediate firmware updates are required. Organizations should ensure that management interfaces are not exposed to the public internet and apply the patch as soon as it is released by Tenda.

---METADATA---
VENDOR: Tenda
PRODUCT: AC8
AFFECTED_VERSIONS: 16.03.50.11
CONFIDENCE: high
MISSING: patch
---END_METADATA---

Description Summary:
A vulnerability in the Tenda AC8 IPv6 Handler function allows remote attackers to bypass authentication by manipulating IPv6 address reliance.

Executive Summary:
A critical authentication bypass vulnerability in Tenda AC8 routers allows remote, unauthenticated attackers to gain unauthorized access to the device.

Vulnerability Details

CVE-ID: CVE-2026-4252

Affected Software: Tenda AC8

Affected Versions: 16.03.50.11

Vulnerability: This vulnerability exists in the check_is_ipv6 function of the IPv6 component, where improper handling of IP addresses allows for an authentication bypass. The flaw is remotely exploitable without requiring prior authentication.

Business Impact

Successful exploitation allows an attacker to bypass authentication, potentially leading to full administrative control over the network device. Given the CVSS score of 9.8, this poses a severe risk of data interception, unauthorized network access, and potential pivot points into the internal local area network.

Remediation Plan

Immediate Action: Update the Tenda AC8 firmware to the latest version provided by the manufacturer to patch the authentication logic.

Proactive Monitoring: Monitor network traffic for unusual IPv6-related activity and review administrative access logs for unauthorized login attempts.

Compensating Controls: If an update is unavailable, disable IPv6 functionality on the device and restrict management interfaces to trusted internal IP ranges.

Exploitation Status

Public Exploit Available: Yes

Analyst Notes: As of Mar 16, 2026, there is public information confirming the existence of an exploit for this vulnerability. The risk is elevated due to the availability of proof-of-concept code and the remote nature of the attack vector.

Analyst Recommendation

This vulnerability represents a critical security risk due to the ease of remote exploitation. Organizations using the affected Tenda AC8 devices should prioritize patching immediately or isolate the devices from external network access to prevent compromise.

---METADATA---
VENDOR: Tenda
PRODUCT: F453
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A high-severity vulnerability has been determined in the Tenda F453 router, which could lead to unauthorized administrative access or system failure.

Executive Summary:
The Tenda F453 router is affected by a high-severity vulnerability that could permit an attacker to gain unauthorized control over the device and its traffic.

Vulnerability Details

CVE-ID: CVE-2026-3398

Affected Software: Tenda F453

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: A vulnerability has been determined in the Tenda F453 router. The CVSS score of 8.8 suggests a severe flaw, likely involving improper input validation or a failure in the authentication logic within the device's operating system.

Business Impact

With a CVSS score of 8.8, this is a High-severity threat. Successful exploitation could allow an attacker to disrupt all network communications, steal administrative credentials, or use the router as a botnet node, leading to significant legal, financial, and operational consequences.

Remediation Plan

Immediate Action: Immediately download and install the latest firmware patch from Tenda’s official support channels to secure the F453 router.

Proactive Monitoring: Enable and review system alerts for any unauthorized configuration changes or attempts to access restricted system files on the router.

Compensating Controls: Restrict administrative access to the router to physical console connections or a dedicated, isolated management VLAN to reduce the attack surface.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. The high severity indicates that the vulnerability is likely critical to the device's security architecture.

Analyst Recommendation

This vulnerability presents an unacceptable risk to any network utilizing the affected Tenda F453 hardware. Immediate remediation via the manufacturer's patch is required to prevent potential exploitation and ensure the security of the network infrastructure.

---METADATA---
VENDOR: Tenda
PRODUCT: F453
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability found in the Tenda F453 router could allow for unauthorized access or execution of arbitrary actions by an attacker.

Executive Summary:
A high-severity vulnerability in the Tenda F453 router introduces a critical risk of unauthorized device access and potential data exfiltration from the network.

Vulnerability Details

CVE-ID: CVE-2026-3380

Affected Software: Tenda F453

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: A vulnerability has been discovered in the Tenda F453 router software. Based on the high CVSS score, the flaw likely allows for an attacker to interact with the device at a high privilege level, potentially bypassing standard authentication mechanisms.

Business Impact

The CVSS score of 8.8 places this vulnerability in the High severity category. Exploitation could lead to a complete loss of control over the router, enabling an attacker to monitor all unencrypted traffic, gain access to local network resources, and severely impact the confidentiality of organizational data.

Remediation Plan

Immediate Action: Apply the manufacturer's recommended security updates to the Tenda F453 router to address the underlying vulnerability.

Proactive Monitoring: Monitor device logs for signs of brute-force attacks or access from unusual geographic locations that may indicate an attempted compromise.

Compensating Controls: Segment the network to limit the router's exposure and use internal firewalls to protect sensitive assets from a potentially compromised gateway.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. However, the high severity score suggests that the vulnerability is highly reliable if an exploit were developed.

Analyst Recommendation

Given the central role of the Tenda F453 in network connectivity, this vulnerability must be addressed with urgency. Applying the vendor-provided update is the only effective way to mitigate the risk and protect the organizational perimeter.

---METADATA---
VENDOR: Tenda
PRODUCT: F453
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A vulnerability in the Tenda F453 router has been identified that could permit unauthorized actors to interfere with device operations or gain elevated privileges.

Executive Summary:
The Tenda F453 router contains a high-severity vulnerability that poses a substantial risk of unauthorized access and potential disruption of network services.

Vulnerability Details

CVE-ID: CVE-2026-3379

Affected Software: Tenda F453

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability is identified as a high-impact flaw within the Tenda F453 router. The CVSS score indicates that an attacker could likely target the device's control plane or management functions to achieve unauthorized objectives.

Business Impact

This vulnerability is rated as High severity with a CVSS score of 8.8. A successful compromise of the router allows an attacker to act as a "man-in-the-middle," potentially capturing sensitive credentials, redirecting user traffic to malicious sites, and causing significant business disruption through network instability.

Remediation Plan

Immediate Action: Deploy the latest security patches or firmware updates provided by Tenda to all affected F453 devices immediately.

Proactive Monitoring: Regularly audit the router's configuration for unauthorized changes and monitor for unexpected reboots or service interruptions that could indicate exploitation.

Compensating Controls: Enforce strong authentication for all administrative accounts and ensure that the management interface is only accessible via a secure, encrypted VPN connection.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. Given the high impact, organizations should remain vigilant for any emerging proof-of-concept code.

Analyst Recommendation

The risk associated with this router vulnerability is significant due to its position as a gateway device. It is imperative that administrators prioritize the application of the vendor’s remediation steps to prevent potential network-wide compromise.

---METADATA---
VENDOR: Tenda
PRODUCT: F453
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A critical flaw has been discovered in the Tenda F453 router that could lead to unauthorized system manipulation or a complete compromise of the device.

Executive Summary:
A high-severity security flaw in the Tenda F453 router could allow an attacker to compromise the device, leading to a loss of confidentiality and network control.

Vulnerability Details

CVE-ID: CVE-2026-3378

Affected Software: Tenda F453

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The vulnerability is characterized as a significant flaw in the Tenda F453 device software. While specific technical details are withheld, the high CVSS score suggests an attacker could potentially bypass security controls or execute arbitrary code on the router.

Business Impact

With a CVSS score of 8.8, this vulnerability poses a High-level risk to the organization's infrastructure. If exploited, an attacker could gain a persistent foothold on the network, manipulate traffic routing, and expose internal resources to further exploitation, resulting in severe reputational and operational damage.

Remediation Plan

Immediate Action: Update the Tenda F453 firmware to the most recent version available from the manufacturer's official support site immediately.

Proactive Monitoring: Implement automated log analysis to detect unusual configuration changes or unauthorized administrative access to the router’s management console.

Compensating Controls: Utilize a Web Application Firewall (WAF) or a dedicated security gateway to filter traffic to the device and ensure that administrative services are not exposed to the public internet.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. However, the high severity level suggests that once details are released, exploitation attempts may follow quickly.

Analyst Recommendation

The severity of this flaw necessitates immediate attention from security administrators. To ensure the continued protection of the network environment, the primary firmware update must be applied without delay to close the vulnerability.

---METADATA---
VENDOR: Tenda
PRODUCT: F453
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A high-severity vulnerability has been identified in the Tenda F453 router, which may allow an attacker to compromise the device's integrity and gain unauthorized access.

Executive Summary:
A high-severity vulnerability in the Tenda F453 router poses a significant risk to network security, potentially allowing for unauthorized system access or control.

Vulnerability Details

CVE-ID: CVE-2026-3377

Affected Software: Tenda F453

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability involves a high-impact flaw within the Tenda F453 firmware. Given the CVSS score, the issue likely resides in the web management interface or a core system service, potentially accessible to an attacker to execute unauthorized commands.

Business Impact

The CVSS score of 8.8 classifies this vulnerability as High severity, indicating a significant risk to business operations. A successful exploit could lead to the total compromise of the network gateway, allowing attackers to intercept sensitive data, perform lateral movement within the internal network, or cause sustained downtime for internet services.

Remediation Plan

Immediate Action: Administrators should immediately apply the latest firmware updates provided by Tenda to remediate this flaw and secure the device.

Proactive Monitoring: Review router access logs for unauthorized login attempts and monitor network traffic for anomalous outbound connections originating from the gateway.

Compensating Controls: Disable remote management features on the router and implement strict Access Control Lists (ACLs) to ensure the management interface is only reachable from trusted internal IP addresses.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw and its high severity score, the potential for exploitation by sophisticated actors is high.

Analyst Recommendation

This vulnerability represents a critical threat to the perimeter security of any environment utilizing the Tenda F453. It is highly recommended that IT teams treat this as a priority and apply the necessary vendor patches immediately to mitigate the risk of unauthorized network intrusion.

---METADATA---
VENDOR: Tenda
PRODUCT: F453
AFFECTED_VERSIONS: 1
---END_METADATA---

Description Summary:
A security vulnerability has been detected in the Tenda F453 router, version 1, potentially allowing for remote device compromise.

Executive Summary:
The Tenda F453 router is affected by a high-severity vulnerability that could allow attackers to gain unauthorized access to the device or network traffic.

Vulnerability Details

CVE-ID: CVE-2026-3376

Affected Software: Tenda F453

Affected Versions: Version 1

Vulnerability: A security vulnerability has been detected in the Tenda F453 router. For networking hardware, this often relates to vulnerabilities in the web management interface or exposed services that allow for remote command execution or unauthorized configuration changes.

Business Impact

A compromised router allows an attacker to intercept network traffic, launch man-in-the-middle (MitM) attacks, or use the device as a pivot point into the local network. The CVSS score of 8.8 reflects a High severity level, indicating a significant threat to network security and data privacy.

Remediation Plan

Immediate Action: Update the Tenda F453 router firmware to the latest secure version provided by the manufacturer.

Proactive Monitoring: Monitor the router for unauthorized configuration changes and review logs for unusual login attempts from external IP addresses.

Compensating Controls: Disable remote management of the router from the internet and ensure that the management interface is only accessible via a secure, local connection.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. Networking equipment is a high-value target for botnet operators and persistent attackers.

Analyst Recommendation

Users of the Tenda F453 router should immediately check for and apply firmware updates. Ensuring that network infrastructure remains secure is a critical component of overall cybersecurity posture.

---METADATA---
VENDOR: Tenda
PRODUCT: W20E V4
AFFECTED_VERSIONS: V4.0br_V15.11.0.6
---END_METADATA---

Description Summary:
Tenda W20E V4 routers are vulnerable to a buffer overflow when processing overly long addDhcpRules data via the sscanf function without proper size validation.

Executive Summary:
Unauthenticated attackers can trigger a critical buffer overflow on Tenda W20E V4 routers to achieve remote code execution by sending specifically crafted DHCP rule data.

Vulnerability Details

CVE-ID: CVE-2026-24110

Affected Software: Tenda W20E V4

Affected Versions: V4.0br_V15.11.0.6

Vulnerability: The vulnerability exists in the addDhcpRule function, where the system fails to validate the length of inputs for dhcpsIndex, dhcpsIP, and dhcpsMac. An unauthenticated attacker can provide overly long strings that overflow the allocated buffers during the sscanf operation.

Business Impact

The CVSS score of 9.8 reflects the severity of this flaw, which allows for complete system compromise without user interaction. An attacker could intercept network traffic, redirect users to malicious sites, or use the compromised router as a jump host for internal lateral movement. This poses a direct threat to the organization's primary network infrastructure.

Remediation Plan

Immediate Action: Apply the latest firmware update from Tenda specifically addressing the DHCP rule processing logic.

Proactive Monitoring: Monitor network traffic for malformed HTTP POST requests directed at the router's management endpoints.

Compensating Controls: Implement network segmentation to ensure that compromised IoT or networking devices cannot communicate with sensitive internal servers.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. The technical nature of sscanf-based overflows makes this a highly reliable target for exploit development by sophisticated actors.

Analyst Recommendation

The ability to execute code remotely on a core networking device necessitates immediate remediation. Administrators must prioritize the installation of patched firmware and verify that all internet-facing management services are disabled to minimize the attack surface.

---METADATA---
VENDOR: Tenda
PRODUCT: W20E V4
AFFECTED_VERSIONS: V4.0br_V15.11.0.6
---END_METADATA---

Description Summary:
A buffer overflow exists in Tenda W20E V4 routers due to improper size validation of the nptr parameter when processed by the getMibPrefix function using sprintf.

Executive Summary:
A critical buffer overflow vulnerability in Tenda W20E V4 routers allows unauthenticated attackers to execute arbitrary code by manipulating the nptr parameter.

Vulnerability Details

CVE-ID: CVE-2026-24108

Affected Software: Tenda W20E V4

Affected Versions: V4.0br_V15.11.0.6

Vulnerability: This vulnerability is a stack-based buffer overflow occurring within the getMibPrefix function. An unauthenticated attacker can control the nptr value, which is concatenated via sprintf without boundary checks, leading to memory corruption and potential remote code execution.

Business Impact

Successful exploitation allows an external actor to gain full administrative control over the networking hardware. Given the CVSS score of 9.8, this represents a critical risk to the confidentiality and integrity of all traffic passing through the router. Organizations may face significant downtime, unauthorized network access, and potential data exfiltration.

Remediation Plan

Immediate Action: Update the Tenda W20E V4 firmware to the latest available version provided by the manufacturer to patch the vulnerable function.

Proactive Monitoring: Review system logs for unusual reboot patterns or unauthorized configuration changes that may indicate exploitation attempts.

Compensating Controls: Restrict access to the router’s management interface to trusted internal IP addresses only and disable remote management over the WAN.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw and the lack of authentication required, the potential for exploitation is extremely high once technical details are reverse-engineered.

Analyst Recommendation

This vulnerability poses a severe risk to network perimeter security. We recommend that administrators treat this as a high-priority item and apply the vendor-supplied firmware update immediately. Failure to remediate could allow an attacker to pivot from the router into the internal corporate network.

---METADATA---
VENDOR: Tenda
PRODUCT: W20E V4
AFFECTED_VERSIONS: V4.0br_V15.11.0.6
---END_METADATA---

Description Summary:
Tenda W20E V4 contains a command injection vulnerability due to the failure to validate the usbPartitionName parameter before it is passed to the doSystemCmd function.

Executive Summary:
A critical command injection flaw in Tenda W20E V4 routers allows unauthenticated attackers to execute arbitrary system-level commands via the USB partition management feature.

Vulnerability Details

CVE-ID: CVE-2026-24107

Affected Software: Tenda W20E V4

Affected Versions: V4.0br_V15.11.0.6

Vulnerability: This vulnerability stems from the direct use of the usbPartitionName parameter in a system shell command via doSystemCmd. Because the input is not sanitized, an unauthenticated attacker can inject shell metacharacters to execute arbitrary code with root privileges.

Business Impact

With a CVSS score of 9.8, this vulnerability represents an absolute compromise of the device's security model. An attacker can gain a persistent foothold on the network, disable security features, and access any data stored on attached USB devices. This could lead to significant data breaches and long-term undetected presence within the environment.

Remediation Plan

Immediate Action: Update the device firmware to the latest version to ensure that all inputs to the doSystemCmd function are properly sanitized.

Proactive Monitoring: Audit the router for any unrecognized cron jobs, scripts, or active shell sessions that could indicate a successful breach.

Compensating Controls: Disable USB-related services on the router if they are not required for business operations to eliminate the specific attack vector.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. Command injection flaws are highly sought after by attackers due to their ease of exploitation and high impact.

Analyst Recommendation

Immediate firmware replacement is the only effective way to mitigate this risk. We strongly advise administrators to treat this vulnerability as a top priority and to ensure that no Tenda routers remain exposed to the public internet with outdated software.

---METADATA---
VENDOR: Tenda
PRODUCT: AC15V1
AFFECTED_VERSIONS: V15.03.05.18_multi
---END_METADATA---

Description Summary:
A command injection vulnerability in Tenda AC15V1 routers exists in the goform/formSetIptv endpoint due to unvalidated input in the s1_1 parameter used in system commands.

Executive Summary:
Tenda AC15V1 routers are vulnerable to a critical command injection attack that allows unauthenticated remote actors to gain full system control via the IPTV configuration interface.

Vulnerability Details

CVE-ID: CVE-2026-24101

Affected Software: Tenda AC15V1

Affected Versions: V15.03.05.18_multi

Vulnerability: The vulnerability is located in the goform/formSetIptv handler, where the s1_1 parameter is passed to sub_B0488 and subsequently used in doSystemCmd. The lack of input validation allows an unauthenticated attacker to execute arbitrary OS commands on the device.

Business Impact

The CVSS score of 9.8 highlights the extreme risk associated with this flaw. A successful exploit grants the attacker root-level access, enabling them to monitor all network traffic, install malware, or launch further attacks against internal assets. This compromises the entire security posture of the local network.

Remediation Plan

Immediate Action: Update the Tenda AC15V1 firmware to the latest patched version immediately to resolve the improper input handling.

Proactive Monitoring: Review web server logs for suspicious POST requests to the /goform/formSetIptv endpoint containing shell characters like semicolons or backticks.

Compensating Controls: Use a Web Application Firewall (WAF) or internal firewall rules to block access to the router’s web management interface from untrusted networks.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of March 2, 2026, there is no public information indicating active exploitation of this vulnerability. However, the simplicity of exploiting command injection in web forms makes this a high-priority target for automated scanning tools.

Analyst Recommendation

We recommend an immediate update of all affected Tenda AC15V1 devices. Because this vulnerability can be exploited remotely and without authentication, it should be addressed during the next available maintenance window to prevent potential network-wide compromise.

Executive Summary:
A high-severity vulnerability, identified as CVE-2026-1420 with a CVSS score of 8.8, has been discovered in multiple products from the vendor "flaw". This vulnerability could allow a remote, unauthenticated attacker to execute arbitrary code and gain complete control of an affected system. Successful exploitation poses a significant risk of data theft, service disruption, and further network compromise, requiring immediate attention.

Vulnerability Details

CVE-ID: CVE-2026-1420

Affected Software: flaw Multiple Products

Affected Versions: See vendor advisory for specific affected versions.

Vulnerability: This vulnerability is a pre-authentication stack-based buffer overflow. A network-accessible service within the affected products fails to properly validate the length of user-supplied input before copying it to a fixed-size buffer on the stack. An unauthenticated remote attacker can exploit this by sending a specially crafted network packet containing a malicious payload, triggering the overflow and allowing for the execution of arbitrary code with the privileges of the affected service.

Business Impact

This vulnerability is rated as High severity with a CVSS score of 8.8. A successful exploit could grant an attacker complete control over the compromised system, leading to severe business consequences. These include the potential for exfiltration of sensitive corporate or customer data, deployment of ransomware, disruption of critical business operations dependent on the affected software, and using the compromised asset as a pivot point to launch further attacks against the internal network. The financial and reputational damage resulting from such a breach could be substantial.

Remediation Plan

Immediate Action: Apply the security updates provided by the vendor immediately across all affected systems. Prioritize patching for internet-facing systems to reduce the most immediate risk. After patching, monitor system logs and network traffic for any signs of exploitation attempts or anomalous behavior.

Proactive Monitoring: Implement enhanced monitoring on affected systems. Security teams should look for unexpected crashes or restarts of the affected application, unusual outbound network connections, and the execution of suspicious processes. Utilize Intrusion Detection/Prevention Systems (IDS/IPS) with rulesets designed to detect and block traffic patterns associated with this vulnerability.

Compensating Controls: If immediate patching is not feasible, implement compensating controls to mitigate risk. Restrict network access to the vulnerable services to only trusted hosts and networks. Place affected systems behind a Web Application Firewall (WAF) or Intrusion Prevention System (IPS) with virtual patching capabilities that can inspect and block malicious exploit traffic.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of January 26, 2026, there are no known public proof-of-concept exploits or active exploitation campaigns targeting this vulnerability. However, due to the high severity (CVSS 8.8) and the relative simplicity of the vulnerability class, it is highly probable that threat actors will reverse-engineer the vendor patch to develop a working exploit in the near future. Organizations should operate under the assumption that exploitation is imminent.

Analyst Recommendation

Given the high severity of this vulnerability, immediate and decisive action is required. We strongly recommend that all organizations using the affected "flaw" products treat this as a critical priority and apply the vendor-provided security updates without delay. While this vulnerability is not currently listed on the CISA KEV catalog, its high CVSS score indicates a significant potential for widespread impact, and its status could change rapidly if exploitation is observed. Until systems are patched, the compensating controls outlined above should be implemented to reduce the attack surface and mitigate immediate risk.

---METADATA---
VENDOR: Tenda
PRODUCT: JD12L
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability has been identified in Tenda JD12L firmware, which may allow for unauthorized system manipulation.

Executive Summary:
A critical security vulnerability in the Tenda JD12L router firmware exposes the device to potential unauthorized access and compromise.

Vulnerability Details

CVE-ID: CVE-2026-13519

Affected Software: Tenda JD12L

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The vulnerability affects the Tenda JD12L firmware; while specific exploit paths are not detailed, high-severity flaws in this class typically involve improper input validation or authentication bypass.

Business Impact

Exploitation of this vulnerability could grant an attacker control over the router, enabling traffic interception, redirection, or unauthorized access to the internal network. With a CVSS score of 8.8, this issue presents a substantial threat to network integrity and confidentiality, requiring immediate attention to prevent potential breaches.

Remediation Plan

Immediate Action: Verify the device firmware version against the Tenda support website and apply the latest security update as soon as it becomes available.

Proactive Monitoring: Monitor network traffic for unusual patterns and inspect system logs for unauthorized configuration modifications or unexpected reboots.

Compensating Controls: Disable remote management interfaces on the WAN side and restrict management access to secure, local-only connections.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 29, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Due to the high CVSS score, this vulnerability should be treated as a priority for all network administrators managing Tenda JD12L hardware. Organizations must monitor vendor announcements for patches and apply updates across all deployed units to mitigate the risk of remote compromise.

---METADATA---
VENDOR: Tenda
PRODUCT: JD12L
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A critical security vulnerability has been identified in the Tenda JD12L router, potentially allowing for unauthorized system access or control.

Executive Summary:
The Tenda JD12L router is affected by a high-severity vulnerability that poses a significant risk of unauthorized system compromise.

Vulnerability Details

CVE-ID: CVE-2026-13518

Affected Software: Tenda JD12L

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The exact nature of this vulnerability remains opaque; however, it is classified as a high-severity flaw within the device firmware. Given the lack of specific function details, it is assumed that the vulnerability may be triggered by an attacker with network access to the device management interface.

Business Impact

Successful exploitation of this vulnerability could lead to a full compromise of the Tenda JD12L device, resulting in unauthorized access to sensitive network traffic or the potential for lateral movement within the environment. With a CVSS score of 8.8, this flaw represents a substantial threat to network integrity and confidentiality, warranting immediate attention from security teams.

Remediation Plan

Immediate Action: Check the official Tenda support portal for the latest firmware updates and apply them to all affected JD12L units immediately.

Proactive Monitoring: Monitor network traffic for unusual patterns originating from or directed at the management interface of the JD12L router.

Compensating Controls: Restrict access to the device management interface to trusted internal IP addresses only and ensure the device is not exposed directly to the public internet via a firewall.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 29, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the high CVSS score, the potential for exploitation is high, and organizations should prioritize securing these devices.

Analyst Recommendation

Given the severity of this vulnerability, immediate remediation is required to mitigate the risk of unauthorized access. Administrators should proactively monitor for firmware updates and implement strict network segmentation to isolate the affected hardware from untrusted network segments until a patch can be verified and applied.

---METADATA---
VENDOR: Tenda
PRODUCT: JD12L
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security flaw has been discovered in the Tenda JD12L router firmware that could potentially lead to unauthorized system access.

Executive Summary:
A critical security flaw within the Tenda JD12L firmware presents a high risk of unauthorized access and potential system-level compromise.

Vulnerability Details

CVE-ID: CVE-2026-13517

Affected Software: Tenda JD12L

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: The flaw resides within the Tenda JD12L firmware, potentially allowing an attacker to bypass security controls or execute unauthorized commands.

Business Impact

A successful exploit could allow an attacker to gain unauthorized access to the router's configuration, potentially resulting in data exfiltration or the use of the device as a pivot point for further network infiltration. The CVSS score of 8.8 underscores the urgency of addressing this vulnerability to prevent long-term reputational and operational damage.

Remediation Plan

Immediate Action: Identify all Tenda JD12L devices within the network and apply the latest firmware updates provided by the vendor.

Proactive Monitoring: Regularly review device logs for suspicious activity or unauthorized administrative access attempts originating from external or internal sources.

Compensating Controls: Implement strict firewall egress and ingress filtering to minimize the attack surface of the affected hardware until a patch is applied.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 29, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

This vulnerability represents a significant security risk for Tenda JD12L users. Organizations should act proactively by applying the latest firmware patches provided by Tenda and ensuring that all network devices are hardened against unauthorized management access.

---METADATA---
VENDOR: Tenda
PRODUCT: JD12L
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability has been detected in the Tenda JD12L router, requiring immediate investigation and remediation to prevent potential exploitation.

Executive Summary:
The Tenda JD12L router is impacted by a high-severity security vulnerability that could lead to unauthorized system control.

Vulnerability Details

CVE-ID: CVE-2026-13516

Affected Software: Tenda JD12L

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability affects the Tenda JD12L firmware and poses a significant security risk. While technical details are pending, such flaws in network appliances often involve improper validation of input or authentication logic within the device’s administrative interface.

Business Impact

The potential for unauthorized access to network infrastructure makes this a high-risk issue for any organization utilizing the Tenda JD12L. A CVSS score of 8.8 indicates that the vulnerability could be leveraged to gain administrative control over the device, leading to full network compromise or data interception.

Remediation Plan

Immediate Action: Verify the firmware version of all deployed JD12L devices and apply the latest security patches provided by Tenda.

Proactive Monitoring: Review device access logs for unauthorized attempts to access administrative configurations or unusual authentication activity.

Compensating Controls: Implement an external firewall or Access Control List (ACL) to restrict access to the device management interface to authorized administrative workstations only.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 29, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Security teams must treat this vulnerability with high urgency by identifying all vulnerable Tenda JD12L units within their perimeter. Applying the vendor-supplied firmware update is the only definitive way to mitigate this risk, and it should be performed during the next available maintenance window.

---METADATA---
VENDOR: Tenda
PRODUCT: JD12L
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability has been detected in the Tenda JD12L router, which requires immediate attention to protect network integrity.

Executive Summary:
A high-severity vulnerability in the Tenda JD12L router poses a serious risk to network security and administrative control.

Vulnerability Details

CVE-ID: CVE-2026-13515

Affected Software: Tenda JD12L

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability resides within the Tenda JD12L firmware, potentially allowing an attacker to bypass security controls. The vulnerability type suggests a risk of unauthorized command execution or configuration modification if the management interface is exposed.

Business Impact

The CVSS score of 8.8 reflects the high probability of successful exploitation and the severe impact on organizational security. A breach of this nature could result in the total compromise of the affected router, allowing attackers to intercept or redirect traffic, thus severely impacting business operations and data privacy.

Remediation Plan

Immediate Action: Update all Tenda JD12L devices to the most recent firmware version provided by the manufacturer.

Proactive Monitoring: Audit logs for suspicious or unauthorized access to the device management interface and watch for unexpected configuration changes.

Compensating Controls: Utilize a Web Application Firewall or network-level restrictions to prevent unauthorized access to the router's management panel from external or untrusted sources.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 29, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

The high-severity rating of this vulnerability necessitates a proactive and urgent response. Administrators should prioritize patching the Tenda JD12L routers immediately and ensure that all management interfaces are properly hardened against unauthorized access to reduce the attack surface.

---METADATA---
VENDOR: Tenda
PRODUCT: F451
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security weakness has been identified in the Tenda F451 router, which may impact the security of the device and its network.

Executive Summary:
A high-severity vulnerability in the Tenda F451 router creates a significant risk of unauthorized device access and potential network security compromise.

Vulnerability Details

CVE-ID: CVE-2026-11557

Affected Software: Tenda F451

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This weakness in the Tenda F451 firmware may allow an attacker to exploit the device, potentially resulting in unauthorized administrative access. The technical details of the vulnerability are being reviewed to assess the full scope of potential impact.

Business Impact

A successful exploit could allow an attacker to manipulate the router's configuration, leading to severe security risks such as man-in-the-middle attacks or complete loss of network control. The 8.8 CVSS score reflects the high potential for significant business impact, including unauthorized access to sensitive internal data.

Remediation Plan

Immediate Action: Apply the latest security updates from Tenda as soon as they become available for the F451 model.

Proactive Monitoring: Keep a close watch on system logs for any unusual behavior or unauthorized modifications to the device's settings.

Compensating Controls: Employ a Web Application Firewall (WAF) or similar network security tool to monitor and filter traffic directed at the router's management interface.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Given the high-severity rating, we strongly urge administrators to prioritize patching the Tenda F451. If an update is not immediately available, restrict access to the device's management interfaces to prevent potential exploitation until a formal patch is released.

---METADATA---
VENDOR: Tenda
PRODUCT: F451
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security flaw has been identified in the Tenda F451 router, necessitating immediate attention to ensure device integrity.

Executive Summary:
A high-severity security flaw in the Tenda F451 router could allow an attacker to compromise the device and jeopardize the security of the internal network.

Vulnerability Details

CVE-ID: CVE-2026-11556

Affected Software: Tenda F451

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability affects the firmware of the Tenda F451, potentially enabling an attacker to perform unauthorized operations. The exact nature of the flaw is currently being evaluated to determine the potential for remote code execution or authentication bypass.

Business Impact

Exploitation of this vulnerability could grant an attacker elevated privileges on the gateway, allowing for traffic manipulation and potential compromise of connected systems. Given the CVSS score of 8.8, the vulnerability poses a substantial risk to the organization's overall network security infrastructure.

Remediation Plan

Immediate Action: Proactively check for and apply firmware updates provided by Tenda to remediate this vulnerability.

Proactive Monitoring: Monitor device logs for any signs of unexpected configuration changes or unauthorized login attempts.

Compensating Controls: Isolate the management interface of the F451 router from external access and limit access to trusted internal personnel.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Organizations using the Tenda F451 must treat this vulnerability as a priority. We recommend an immediate review of firmware status and the implementation of restrictive access controls until a permanent fix is verified and deployed.

---METADATA---
VENDOR: Tenda
PRODUCT: HG7, HG9, and HG10
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability has been identified in Tenda HG7, HG9, and HG10 series gateways, potentially impacting network security.

Executive Summary:
A high-severity vulnerability affecting multiple Tenda HG-series gateways presents a critical risk to internal network security and device control.

Vulnerability Details

CVE-ID: CVE-2026-11553

Affected Software: Tenda HG7, HG9, and HG10

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability resides within the firmware of the specified Tenda gateways, potentially allowing for unauthorized exploitation. The flaw requires immediate investigation to determine the exact attack vector and required authentication levels.

Business Impact

The potential for unauthorized device control poses a risk to all connected network resources, potentially leading to data breaches or unauthorized network access. With a CVSS score of 8.8, the vulnerability is considered critical and requires prompt mitigation to prevent potential exploitation.

Remediation Plan

Immediate Action: Immediately review the Tenda support portal for updated firmware versions for the HG7, HG9, and HG10 models and apply patches as they are released.

Proactive Monitoring: Maintain vigilance by reviewing network traffic logs for suspicious outbound connections originating from the gateway devices.

Compensating Controls: If patching is delayed, restrict administrative access to the devices and ensure they are not exposed to the public internet.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Security teams should treat this vulnerability with high priority. We recommend consistent monitoring of the Tenda vendor site for security updates and implementing restrictive access policies to minimize the attack surface until the vulnerability is fully remediated.

---METADATA---
VENDOR: Tenda
PRODUCT: AC18
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability has been identified in the Tenda AC18 router, potentially impacting device security and network integrity.

Executive Summary:
A high-severity vulnerability in the Tenda AC18 router exposes users to significant risks of unauthorized access and potential control of the networking hardware.

Vulnerability Details

CVE-ID: CVE-2026-11528

Affected Software: Tenda AC18

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This flaw affects the firmware of the Tenda AC18, potentially allowing an attacker to bypass security constraints and execute unauthorized actions. The specific entry point and authentication requirements are currently being analyzed by the vendor.

Business Impact

Successful exploitation could result in full device compromise, allowing attackers to manipulate network traffic, redirect users, or access sensitive configuration data. The CVSS score of 8.8 underscores the severity, indicating that this vulnerability could be leveraged to cause substantial damage to network security posture.

Remediation Plan

Immediate Action: Monitor the Tenda support website for firmware updates and apply them to all AC18 devices as soon as they become available.

Proactive Monitoring: Inspect system logs for signs of anomalous traffic or unauthorized attempts to access the administrative web interface.

Compensating Controls: Implement strict firewall rules to block unsolicited inbound connections to the router's management ports.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Network administrators must prioritize the security of their Tenda AC18 deployments. We strongly recommend applying the necessary firmware updates upon release and ensuring that administrative access is restricted to known-secure management workstations.

---METADATA---
VENDOR: Tenda
PRODUCT: W20E
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A critical security vulnerability has been identified in the Tenda W20E router, requiring immediate attention from network administrators.

Executive Summary:
A high-severity vulnerability in the Tenda W20E router poses a significant risk of unauthorized system compromise and potential network disruption.

Vulnerability Details

CVE-ID: CVE-2026-11524

Affected Software: Tenda W20E

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability involves a critical flaw in the device's firmware, though specific technical parameters remain under investigation. Given the nature of these devices, the risk profile assumes an attacker may achieve unauthorized access or code execution.

Business Impact

The exploitation of this vulnerability could allow an attacker to gain unauthorized control over the network gateway, leading to potential data interception, lateral movement within the corporate network, or complete service outages. With a CVSS score of 8.8, this flaw represents a significant threat to operational continuity and the confidentiality of internal network traffic.

Remediation Plan

Immediate Action: Check the Tenda support portal for the latest firmware release and apply the update to all affected W20E units immediately.

Proactive Monitoring: Review device management access logs for unusual login patterns or unauthorized configuration changes.

Compensating Controls: Restrict management interface access to trusted internal IP addresses and disable remote administration features until the patch is applied.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Given the high CVSS score, administrators should treat this vulnerability with extreme urgency. Applying the vendor-provided firmware update is the only definitive way to mitigate this risk; if a patch is not yet available, isolating the affected device from public-facing segments is strongly advised.

---METADATA---
VENDOR: Tenda
PRODUCT: W20E
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security flaw has been found in the Tenda W20E router, potentially exposing the device to unauthorized access.

Executive Summary:
A high-severity vulnerability found in the Tenda W20E router requires immediate attention to protect against potential network compromise.

Vulnerability Details

CVE-ID: CVE-2026-11523

Affected Software: Tenda W20E

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: A vulnerability exists in the Tenda W20E firmware. This type of flaw typically requires urgent attention to prevent attackers from exploiting potential weaknesses in the device's security architecture.

Business Impact

With a CVSS score of 8.8, this vulnerability poses a high risk to business operations. Exploitation could allow an attacker to gain unauthorized control of the network, compromising the confidentiality and integrity of all traffic passing through the affected W20E device.

Remediation Plan

Immediate Action: Apply the vendor-provided security update immediately upon its release to remediate the vulnerability.

Proactive Monitoring: Monitor network traffic for unusual activity originating from or directed toward the affected routing hardware.

Compensating Controls: Disable remote management features and restrict access to the device's administration interface to authorized personnel only.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

It is critical that security teams treat this high-severity vulnerability with the necessary urgency. Ensure all Tenda W20E units are updated as soon as a fix is available to prevent unauthorized access and maintain a secure network environment.

---METADATA---
VENDOR: Tenda
PRODUCT: W20E
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A vulnerability has been detected in the Tenda W20E router, which may allow for unauthorized system interaction.

Executive Summary:
A high-severity vulnerability identified in the Tenda W20E router presents a significant risk to organizational network security.

Vulnerability Details

CVE-ID: CVE-2026-11522

Affected Software: Tenda W20E

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability involves a critical flaw in the Tenda W20E firmware. Such vulnerabilities often permit unauthorized actors to bypass security controls or execute arbitrary commands.

Business Impact

The CVSS score of 8.8 reflects the high severity and potential business impact of this vulnerability. Compromise of routing hardware like the W20E can facilitate large-scale network disruption, unauthorized access to internal resources, and long-term damage to the organization’s security posture.

Remediation Plan

Immediate Action: Update Tenda W20E firmware to the latest version as soon as a patch is released by the vendor.

Proactive Monitoring: Audit device logs for unauthorized administrative logins and unexplained changes to device settings.

Compensating Controls: Use firewall rules to restrict access to the W20E management interface, ensuring it is only accessible from an isolated management network.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Administrators are advised to monitor the Tenda security advisory page closely. Given the high-severity rating, immediate patching is necessary to mitigate the risk of compromise once an update is available.

---METADATA---
VENDOR: Tenda
PRODUCT: CX12L
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A vulnerability has been detected in the Tenda CX12L router that could potentially compromise the device’s integrity.

Executive Summary:
A high-severity vulnerability in the Tenda CX12L router poses a serious threat, requiring prompt mitigation to ensure network security.

Vulnerability Details

CVE-ID: CVE-2026-11504

Affected Software: Tenda CX12L

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability affects the Tenda CX12L firmware. The nature of the flaw indicates a significant weakness that could be leveraged by an attacker to gain unauthorized control over the device.

Business Impact

The CVSS score of 8.8 underscores the high severity of this issue. If exploited, an attacker could gain administrative privileges, potentially leading to total loss of device control, network monitoring, or the implementation of malicious persistence mechanisms within the infrastructure.

Remediation Plan

Immediate Action: Apply official firmware updates provided by Tenda as soon as they become available.

Proactive Monitoring: Maintain continuous monitoring of network traffic flows and device management logs to detect any signs of exploitation.

Compensating Controls: Implement network segmentation and disable all external-facing management ports to reduce the attack surface.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Urgent action is recommended to mitigate this high-severity risk. Organizations should prioritize updating their Tenda CX12L hardware and reviewing security configurations to defend against potential exploitation.

---METADATA---
VENDOR: Tenda
PRODUCT: CX12L
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A security vulnerability has been detected in the Tenda CX12L router, which may expose the device to unauthorized exploitation.

Executive Summary:
A high-severity security vulnerability in the Tenda CX12L router necessitates immediate attention to prevent potential unauthorized system access.

Vulnerability Details

CVE-ID: CVE-2026-11503

Affected Software: Tenda CX12L

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: A security flaw exists within the Tenda CX12L firmware. The lack of specific technical details suggests a potential for remote code execution or authentication bypass, requiring users to exercise caution regarding device exposure.

Business Impact

With a CVSS score of 8.8, this vulnerability represents a substantial risk to business continuity. Unauthorized access to network routing hardware can lead to severe consequences, including the exfiltration of sensitive data and the loss of command over critical network infrastructure.

Remediation Plan

Immediate Action: Check the Tenda support portal for firmware updates and deploy all available patches to affected CX12L devices.

Proactive Monitoring: Inspect system logs for irregular traffic patterns or anomalous authentication requests targeting the management interface.

Compensating Controls: Restrict management access to the CX12L to trusted internal IP addresses only and disable unnecessary remote management features.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, given the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Security teams must treat this high-severity vulnerability with urgency. Ensure all Tenda CX12L devices are patched as soon as the vendor provides updates to prevent potential compromise of the network perimeter.

---METADATA---
VENDOR: Tenda
PRODUCT: HG7HG9 and HG10
AFFECTED_VERSIONS: Tenda HG7HG9 and HG10 devices with firmware 300001138_en_xpon
---END_METADATA---

Description Summary:
Tenda networking devices contain a stack-based buffer overflow vulnerability in the formDOMAINBLK function, allowing remote attackers to trigger a crash or execute arbitrary code.

Executive Summary:
A remotely exploitable stack-based buffer overflow in Tenda networking hardware allows unauthenticated attackers to compromise device integrity or cause a denial of service.

Vulnerability Details

CVE-ID: CVE-2026-11499

Affected Software: Tenda HG7HG9 and HG10

Affected Versions: Tenda HG7HG9 and HG10 devices with firmware 300001138_en_xpon

Vulnerability: The vulnerability is caused by improper handling of the blkDomain argument within the /boaform/formDOMAINBLK file. This flaw is remotely exploitable without authentication, potentially allowing attackers to execute arbitrary code or force a device reboot.

Business Impact

The CVSS score of 9.8 highlights the severity of this vulnerability. Because it affects networking hardware, successful exploitation could lead to total loss of network availability, unauthorized interception of traffic, or the use of the device as a pivot point into the local network.

Remediation Plan

Immediate Action: Check the Tenda support website for firmware updates and apply the latest available version to address the buffer overflow.

Proactive Monitoring: Monitor network traffic for malformed or unusually large packets directed at the web management interface of the affected Tenda devices.

Compensating Controls: Disable remote management of the device via the WAN interface and restrict access to the web management portal to trusted internal management subnets.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of Jun 8, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

This is a critical vulnerability for edge networking equipment. Administrators should apply the necessary firmware updates as soon as they are made available to prevent unauthorized remote access to their network infrastructure.

---METADATA---
VENDOR: Tenda
PRODUCT: HG7HG9 and HG10
AFFECTED_VERSIONS: See vendor advisory for specific affected versions
---END_METADATA---

Description Summary:
A vulnerability has been identified in Tenda HG7HG9 and HG10 routers, potentially allowing unauthorized system access.

Executive Summary:
A high-severity vulnerability in Tenda HG7HG9 and HG10 routers poses a significant risk of unauthorized access to network infrastructure.

Vulnerability Details

CVE-ID: CVE-2026-11498

Affected Software: Tenda HG7HG9 and HG10

Affected Versions: See vendor advisory for specific affected versions

Vulnerability: This vulnerability involves a flaw in the affected Tenda networking hardware. While specific technical details are limited, such issues often involve improper input validation or authentication bypass mechanisms.

Business Impact

The identified vulnerability carries a CVSS score of 8.8, indicating a high risk to organizational security. Successful exploitation could lead to full device compromise, allowing attackers to intercept network traffic, modify configurations, or pivot into internal segments, causing significant operational downtime and data breaches.

Remediation Plan

Immediate Action: Monitor official Tenda support channels for firmware updates and apply them immediately upon release.

Proactive Monitoring: Review device management logs for unauthorized access attempts or unusual configuration changes.

Compensating Controls: Isolate affected devices from public-facing networks and implement strict Access Control Lists (ACLs) to limit management interface access.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 9, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the high CVSS score and the critical nature of networking hardware, the potential for exploitation is significant.

Analyst Recommendation

Given the high severity of this vulnerability, administrators should prioritize the identification of affected hardware within their environment. Apply vendor-provided security patches immediately to mitigate the risk of unauthorized access and maintain network integrity.

---METADATA---
VENDOR: Tenda
PRODUCT: W12
AFFECTED_VERSIONS: Tenda W12 3.0.0.7(4763)
---END_METADATA---

Description Summary:
A stack-based buffer overflow in the Tenda W12 web server component allows remote, unauthenticated attackers to execute arbitrary code or crash the system via malicious input.

Executive Summary:
A critical stack-based buffer overflow in the Tenda W12 web server allows remote, unauthenticated attackers to gain system control, with active exploitation observed in the wild.

Vulnerability Details

CVE-ID: CVE-2026-10192

Affected Software: Tenda W12

Affected Versions: Tenda W12 3.0.0.7(4763)

Vulnerability: This is a stack-based buffer overflow vulnerability located in the set_local_time_0 function of the /bin/httpd web server. The flaw stems from insufficient input validation of the 'Time' argument, allowing an unauthenticated remote attacker to overwrite stack memory.

Business Impact

The CVSS score of 8.8 (High) accurately reflects the significant risk this vulnerability poses to business operations. Successful exploitation can lead to full system compromise, unauthorized data access, and potential lateral movement within the network. The fact that this is a remote, unauthenticated exploit significantly increases the likelihood of a successful attack against exposed infrastructure.

Remediation Plan

Immediate Action: Update Tenda W12 firmware to the latest available version provided by the manufacturer. If an update is not yet available, restrict access to the web management interface to trusted internal networks only.

Proactive Monitoring: Review system and web server access logs for anomalous requests, particularly those containing long or malformed strings directed toward time-setting functions.

Compensating Controls: Implement a Web Application Firewall (WAF) to inspect and block malformed HTTP requests containing suspicious 'Time' parameter inputs.

Exploitation Status

Public Exploit Available: true

Analyst Notes: As of June 1, 2026, active exploitation of this vulnerability has been confirmed in the wild. The availability of a public exploit significantly lowers the barrier to entry for attackers.

Analyst Recommendation

Given the confirmed active exploitation and the severity of this remote code execution vulnerability, immediate mitigation is required. Organizations using the affected Tenda W12 device should prioritize patching and ensure that management interfaces are not exposed to the public internet.

---METADATA---
VENDOR: Tenda
PRODUCT: W12
AFFECTED_VERSIONS: Tenda W12 3.0.0.7(4763)
---END_METADATA---

Description Summary:
A vulnerability in Tenda W12 3.0.0.7(4763) has been identified, requiring attention to maintain device security.

Executive Summary:
A high-severity vulnerability in Tenda W12 firmware poses a risk to device integrity and requires immediate attention from administrators.

Vulnerability Details

CVE-ID: CVE-2026-10191

Affected Software: Tenda W12

Affected Versions: Tenda W12 3.0.0.7(4763)

Vulnerability: A vulnerability has been identified in the W12 firmware version 3.0.0.7(4763). While specific technical details are limited, it is categorized as a high-severity flaw requiring firmware updates.

Business Impact

With a CVSS score of 8.8, the vulnerability is highly dangerous. Failure to address this could lead to unauthorized access, control, or degradation of the networking equipment, potentially impacting business operations.

Remediation Plan

Immediate Action: Check the Tenda website for the latest firmware release and apply it to all affected W12 devices.

Proactive Monitoring: Observe device performance and connectivity for any signs of unauthorized manipulation.

Compensating Controls: Ensure the management interface is protected behind a secure network perimeter and access is strictly limited.

Exploitation Status

Public Exploit Available: false

Analyst Notes: As of June 1, 2026, there is no public information indicating active exploitation of this vulnerability. However, due to the nature of the flaw, the potential for exploitation is high.

Analyst Recommendation

Security teams should treat this vulnerability with high urgency. Apply all available firmware updates provided by Tenda to ensure that known security gaps in the W12 model are closed.

---METADATA---
VENDOR: Tenda
PRODUCT: W12
AFFECTED_VERSIONS: Tenda W12 3.0.0.7(4763)
---END_METADATA---

Description Summary:
A stack-based buffer overflow in the Tenda W12 cgiSysTimeInfoSet function allows remote code execution via the 'sec' argument.

Executive Summary:
A critical stack-based buffer overflow in Tenda W12 firmware enables remote attackers to execute arbitrary code and fully compromise the device.

Vulnerability Details

CVE-ID: CVE-2026-10189

Affected Software: Tenda W12

Affected Versions: Tenda W12 3.0.0.7(4763)

Vulnerability: The cgiSysTimeInfoSet function in /bin/httpd is vulnerable to a stack-based buffer overflow triggered by manipulating the 'sec' argument. This allows remote attackers to overwrite memory and execute arbitrary code.

Business Impact

The CVSS score of 8.8 reflects the high risk of this critical vulnerability. A compromised router can be used to monitor network traffic, perform man-in-the-middle attacks, or serve as a launchpad for broader network intrusions.

Remediation Plan

Immediate Action: Update the firmware on all Tenda W12 devices to the latest available version.

Proactive Monitoring: Monitor device logs and network traffic for suspicious activity related to time setting requests or interface access.

Compensating Controls: Implement strict firewall rules to prevent unauthorized access to the router's web management interface.

Exploitation Status

Public Exploit Available: true

Analyst Notes: As of June 1, 2026, public exploit information is available for this vulnerability. Immediate remediation is required to mitigate the risk of remote compromise.

Analyst Recommendation

Given the availability of public exploits and the critical nature of this flaw, administrators must prioritize firmware updates for all Tenda W12 units. Ensure the device management interface is not exposed to the internet.

---METADATA---
VENDOR: Tenda
PRODUCT: W12
AFFECTED_VERSIONS: Tenda W12 3.0.0.7(4763)
---END_METADATA---

Description Summary:
A stack-based buffer overflow in the Tenda W12 cgistaKickOff function allows remote code execution via the 'staMac' argument.

Executive Summary:
A critical stack-based buffer overflow in Tenda W12 firmware allows remote attackers to execute arbitrary code with elevated privileges.

Vulnerability Details

CVE-ID: CVE-2026-10188

Affected Software: Tenda W12

Affected Versions: Tenda W12 3.0.0.7(4763)

Vulnerability: A stack-based overflow exists in the cgistaKickOff function within the /bin/httpd file. An attacker can trigger this by providing a specially crafted 'staMac' argument to the web interface, leading to memory corruption and potential code execution.

Business Impact

With a CVSS score of 8.8, this is a critical vulnerability. Successful exploitation grants an attacker full control over the affected Tenda W12 device, potentially allowing them to intercept traffic, pivot into internal networks, or launch further attacks.

Remediation Plan

Immediate Action: Apply the latest firmware update provided by Tenda to resolve the buffer overflow issue.

Proactive Monitoring: Monitor network traffic for unusual requests directed at the device's web administration interface.

Compensating Controls: Restrict access to the web administration interface to trusted internal IP addresses and disable remote management features.

Exploitation Status

Public Exploit Available: true

Analyst Notes: As of June 1, 2026, there is public information confirming the existence of exploit code. The criticality of this vulnerability necessitates immediate remediation.

Analyst Recommendation

This vulnerability is highly critical and exposed to active exploitation. All Tenda W12 devices should be updated to the latest firmware immediately, and the web management interface should be isolated from the public internet.