CVE-2022-42171 Explained : Impact and Mitigation

A detailed overview of CVE-2022-42171, focusing on the impact, technical details, and mitigation strategies.

Understanding CVE-2022-42171

In this section, we delve into the specifics of CVE-2022-42171 to provide a comprehensive understanding of the vulnerability.

What is CVE-2022-42171?

The CVE-2022-42171 vulnerability is found in Tenda AC10 V15.03.06.23, specifically via the /goform/saveParentControlInfo endpoint, where a Stack overflow vulnerability exists.

The Impact of CVE-2022-42171

The presence of this vulnerability could potentially allow threat actors to execute arbitrary code or crash the device, leading to a denial of service (DoS) condition.

Technical Details of CVE-2022-42171

This section outlines the technical specifics related to CVE-2022-42171.

Vulnerability Description

The vulnerability arises due to a Stack overflow issue within the /goform/saveParentControlInfo endpoint, enabling attackers to craft malicious requests to trigger the overflow.

Affected Systems and Versions

The affected system is Tenda AC10 router with version V15.03.06.23, making devices running this firmware susceptible to exploitation.

Exploitation Mechanism

By sending specially crafted requests to the /goform/saveParentControlInfo endpoint, threat actors can overflow the stack, potentially leading to unauthorized code execution.

Mitigation and Prevention

In this section, we discuss steps to mitigate the risk posed by CVE-2022-42171 and prevent exploitation.

Immediate Steps to Take

Users should immediately update their Tenda AC10 routers to the latest firmware version provided by the vendor to patch the Stack overflow vulnerability.

Long-Term Security Practices

Implementing robust network security measures, such as isolating IoT devices and regularly monitoring for unusual activity, can help bolster overall security.

Patching and Updates

Stay informed about security updates from the vendor and apply patches promptly to safeguard against known vulnerabilities.