CVE-2022-42170 : What You Need to Know

A Stack overflow vulnerability has been identified in Tenda AC10 V15.03.06.23 through the /goform/formWifiWpsStart endpoint.

Understanding CVE-2022-42170

This section will discuss the details of CVE-2022-42170, its impact, technical aspects, and mitigation strategies.

What is CVE-2022-42170?

The CVE-2022-42170 vulnerability is found in Tenda AC10 V15.03.06.23 due to a Stack overflow issue in the /goform/formWifiWpsStart function.

The Impact of CVE-2022-42170

This vulnerability can be exploited by attackers to execute arbitrary code or crash the device, leading to a potential denial of service (DoS) condition.

Technical Details of CVE-2022-42170

Let's delve deeper into the technical aspects of CVE-2022-42170.

Vulnerability Description

The vulnerability arises from improper handling of user-supplied input in the /goform/formWifiWpsStart endpoint, resulting in a stack overflow condition.

Affected Systems and Versions

Tenda AC10 V15.03.06.23 firmware is affected by this vulnerability, potentially impacting devices running this specific version.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted input to the /goform/formWifiWpsStart endpoint, triggering the stack overflow and gaining unauthorized access.

Mitigation and Prevention

Protecting your systems from CVE-2022-42170 requires immediate action and long-term security practices.

Immediate Steps to Take

Users are advised to update to a patched version of the firmware provided by Tenda to mitigate the vulnerability. Additionally, restrict network access to the device and monitor for any suspicious activity.

Long-Term Security Practices

Implementing network segmentation, using strong passwords, and regularly updating device firmware are essential security practices to prevent such vulnerabilities.

Patching and Updates

Stay informed about security updates from Tenda and promptly apply patches to secure your devices against known vulnerabilities.