An Execution with Unnecessary Privileges vulnerability in the User Interface (UI) of Juniper Networks Junos OS and Junos OS Evolved allows a local, lo...
Description
An Execution with Unnecessary Privileges vulnerability in the User Interface (UI) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to gain root privileges, thus compromising the system
Remediation
Apply vendor security updates immediately. Monitor for exploitation attempts and review access logs.
---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.