A vulnerability was detected in H3C Magic B1 up to 100R004
Description
A vulnerability was detected in H3C Magic B1 up to 100R004
AI Analyst Comment
Remediation
Apply vendor security updates immediately. Monitor for exploitation attempts and review access logs.
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VENDOR: H3C
PRODUCT: Magic B1
AFFECTED_VERSIONS: Up to 100R004
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Description Summary:
A security vulnerability exists in H3C Magic B1 routers up to version 100R004.
Executive Summary:
A high-severity security vulnerability in H3C Magic B1 routers requires immediate attention to prevent potential unauthorized access and compromise.
Vulnerability Details
CVE-ID: CVE-2026-6581
Affected Software: H3C Magic B1
Affected Versions: Up to 100R004
Vulnerability: This vulnerability affects the H3C Magic B1 series. The flaw allows for potential security compromise, necessitating a review of the vendor’s security advisory for specific attack vectors and remediation steps.
Business Impact
Exploitation of this vulnerability could lead to unauthorized administrative control of network hardware, potentially resulting in data interception or network disruption. With a CVSS score of 8.8, this is a significant risk that could impact the security posture of the entire network.
Remediation Plan
Immediate Action: Update H3C Magic B1 firmware to the latest recommended version provided by the manufacturer.
Proactive Monitoring: Monitor router logs for unauthorized configuration changes or anomalous traffic patterns originating from the device.
Compensating Controls: Restrict administrative access to the router to trusted internal management subnets only.
Exploitation Status
Public Exploit Available: False
Analyst Notes: As of April 20, 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
Users of H3C Magic B1 routers should verify their firmware version and apply the latest security updates immediately. Given the high CVSS score, organizations should treat this as a priority update to prevent potential network exploitation.