CVE-2022-42053 : Security Advisory and Response

A command injection vulnerability in Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576) has been identified, allowing unauthorized execution of commands via the PortMappingServer parameter.

Understanding CVE-2022-42053

This article delves into the details of CVE-2022-42053, shedding light on the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2022-42053?

The CVE-2022-42053 vulnerability involves a command injection flaw in the Tenda AC1200 Router, specifically in the setPortMapping function through the PortMappingServer parameter.

The Impact of CVE-2022-42053

Exploitation of this vulnerability could enable threat actors to execute arbitrary commands on the affected Tenda AC1200 Router, leading to unauthorized access and potential compromise of the device.

Technical Details of CVE-2022-42053

Let's explore the technical aspects associated with CVE-2022-42053, including vulnerability description, affected systems and versions, and exploitation mechanisms.

Vulnerability Description

The vulnerability allows malicious actors to inject and execute unauthorized commands through the PortMappingServer parameter in the setPortMapping function of the Tenda AC1200 Router.

Affected Systems and Versions

The command injection flaw impacts Tenda AC1200 Router Model W15Ev2 V15.11.0.10(1576), posing a security risk to devices running this specific firmware version.

Exploitation Mechanism

By sending specially crafted requests containing malicious commands to the vulnerable parameter, attackers can exploit the vulnerability to achieve remote code execution on the affected Tenda AC1200 Router.

Mitigation and Prevention

Discover the essential steps to mitigate and prevent the exploitation of CVE-2022-42053, ensuring the security of your network infrastructure.

Immediate Steps to Take

Administrators should disable remote access to the affected device and implement firewall rules to restrict unauthorized access until a patch becomes available.

Long-Term Security Practices

Regularly update the router firmware, monitor network traffic for suspicious activity, and follow security best practices to enhance overall network security.

Patching and Updates

Stay informed about security advisories from Tenda and promptly apply patches or firmware updates provided by the vendor to remediate the vulnerability and protect your network.