CVE-2022-40867 : Vulnerability Insights and Analysis

A stack overflow vulnerability has been identified in the Tenda W20E router V15.11.0.6, specifically in the function formIPMacBindDel. This vulnerability can be exploited through the request /goform/delIpMacBind/, potentially leading to security breaches.

Understanding CVE-2022-40867

This section delves into the specifics of the CVE-2022-40867 vulnerability.

What is CVE-2022-40867?

The Tenda W20E router V15.11.0.6 is impacted by a stack overflow vulnerability within the formIPMacBindDel function when processing requests.

The Impact of CVE-2022-40867

Exploitation of this vulnerability can result in unauthorized access, data breaches, and other security compromises on systems utilizing the affected Tenda W20E router.

Technical Details of CVE-2022-40867

Explore the technical aspects of the CVE-2022-40867 vulnerability below.

Vulnerability Description

The vulnerability arises due to improper handling of requests in the formIPMacBindDel function, leading to a stack overflow condition.

Affected Systems and Versions

The affected product is the Tenda W20E router operating on version V15.11.0.6.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a crafted request to /goform/delIpMacBind/ and triggering a stack overflow.

Mitigation and Prevention

Discover how to mitigate the risks associated with CVE-2022-40867 in the following section.

Immediate Steps to Take

Users are advised to restrict network access to vulnerable routers, apply security patches, and monitor network traffic for suspicious activity.

Long-Term Security Practices

Implementing network segmentation, robust access controls, and regular security audits can enhance the overall security posture.

Patching and Updates

Stay updated on security advisories from Tenda and promptly install patches to address the stack overflow vulnerability in the Tenda W20E router.