CVE-2022-40846 Explained : Impact and Mitigation

A Stored Cross Site Scripting (XSS) vulnerability exists in Tenda AC1200 Router model W15Ev2 V15.11.0.10(1576), potentially allowing attackers to execute JavaScript code by manipulating the stored hostname.

Understanding CVE-2022-40846

This section will provide insights into the nature and impact of the XSS vulnerability found in the Tenda AC1200 Router.

What is CVE-2022-40846?

CVE-2022-40846 is a Stored Cross Site Scripting (XSS) vulnerability identified in the Tenda AC1200 Router model W15Ev2, version V15.11.0.10(1576). The flaw enables threat actors to inject and execute malicious JavaScript code through the stored hostname.

The Impact of CVE-2022-40846

The exploitation of CVE-2022-40846 can lead to a range of severe consequences, including unauthorized access, data theft, and potentially full system compromise. It poses a significant risk to the security and integrity of affected devices.

Technical Details of CVE-2022-40846

In this section, we will delve deeper into the specifics of the vulnerability, its affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers to launch Stored Cross Site Scripting (XSS) attacks by manipulating the hostname stored in the Tenda AC1200 Router, enabling the execution of arbitrary JavaScript code within the application context.

Affected Systems and Versions

The issue affects Tenda AC1200 Router model W15Ev2 with version V15.11.0.10(1576). However, specific details regarding other impacted systems or versions are not available.

Exploitation Mechanism

By exploiting the XSS vulnerability present in the Tenda AC1200 Router, threat actors can inject malicious JavaScript code into the stored hostname field, which gets executed when accessed by users, leading to potential security breaches.

Mitigation and Prevention

This section outlines the immediate steps to mitigate the risk posed by CVE-2022-40846 and the best practices for long-term security.

Immediate Steps to Take

Users and administrators are advised to restrict access to the affected router, apply security patches or updates provided by the vendor, and closely monitor for any suspicious activities indicating a compromise.

Long-Term Security Practices

Implementing robust security measures such as regular security assessments, network segmentation, and user awareness training can enhance the overall security posture and resilience against similar vulnerabilities.

Patching and Updates

Stay informed about the latest security advisories from Tenda regarding CVE-2022-40846 and promptly apply any patches or updates released to address the XSS vulnerability.