CVE-2022-40843 Scanner

The Tenda AC1200 V-W15Ev2 is a dual-band Wi-Fi router designed for home and small office use. It offers high-speed wireless connectivity, supporting the 802.11ac standard for improved coverage and performance. The router is equipped with multiple LAN ports for wired connections and features both local and remote management capabilities. It is widely used for its affordability and feature set, providing users with a stable internet connection for various online activities.

The Authentication Bypass vulnerability in the Tenda AC1200 V-W15Ev2 router arises due to improper session management and authorization checks. This flaw allows unauthenticated attackers to bypass the router's login page, enabling access to sensitive information, such as the MD5 hash of the administrator's password. This issue affects the local web management interface and the remote management console, posing a significant security risk.

This vulnerability is specifically due to the router not validating user sessions correctly or performing inadequate authorization checks for certain actions or resource access. An attacker can exploit this by crafting a request to the router's management interface, bypassing authentication mechanisms to gain unauthorized access. This access can lead to the reading of critical configuration files or system logs, containing sensitive data including the administrator's hashed password.

Exploitation of this vulnerability could lead to unauthorized configuration changes, network compromise, and access to sensitive information. This might allow attackers to alter the router's settings, redirect traffic, or gain further access to the network's internal resources. Such a breach could compromise the security of all devices connected to the network and potentially expose personal or business data.

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References

• https://boschko.ca/tenda_ac1200_router
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40843