CVE-2022-40843 : Security Advisory and Response

A security vulnerability has been identified in the Tenda AC1200 V-W15Ev2 V15.11.0.10(1576) router, leading to improper authorization/improper session management. This flaw enables authenticated attackers to bypass the router login page and access sensitive information.

Understanding CVE-2022-40843

This section delves into the details of the CVE-2022-40843 vulnerability.

What is CVE-2022-40843?

The CVE-2022-40843 vulnerability affects the Tenda AC1200 V-W15Ev2 V15.11.0.10(1576) router, allowing authenticated attackers to circumvent the router login page and view sensitive data.

The Impact of CVE-2022-40843

The impact of this vulnerability is significant as it grants unauthorized access to sensitive information stored on the router.

Technical Details of CVE-2022-40843

This section provides technical insights into CVE-2022-40843.

Vulnerability Description

The vulnerability stems from improper authorization/improper session management in the router, enabling attackers to read the syslog.log file containing the MD5 password of the Administrator's user account.

Affected Systems and Versions

The Tenda AC1200 V-W15Ev2 V15.11.0.10(1576) router is affected by this vulnerability.

Exploitation Mechanism

Authenticated attackers can exploit this vulnerability to bypass the router login page and access the syslog.log file.

Mitigation and Prevention

Protecting your system from CVE-2022-40843 is crucial to safeguard sensitive data stored on the router.

Immediate Steps to Take

Immediately change the default password of the router to prevent unauthorized access.

Long-Term Security Practices

Regularly update the router firmware and monitor for any suspicious activity on the network.

Patching and Updates

Apply security patches provided by Tenda to address the vulnerability and enhance the security of the router.