CVE-2022-23900 : What You Need to Know

A command injection vulnerability in the API of the Wavlink WL-WN531P3 router, version M31G3.V5030.201204, allows unauthorized remote code execution via a malicious POST request.

Understanding CVE-2022-23900

This CVE refers to a critical vulnerability in the Wavlink WL-WN531P3 router that can be exploited by attackers to execute code remotely.

What is CVE-2022-23900?

The vulnerability is a command injection issue in the router's API, specifically in version M31G3.V5030.201204. It enables threat actors to perform unauthorized remote code execution by sending a malicious POST request through /cgi-bin/adm.cgi.

The Impact of CVE-2022-23900

The impact of this vulnerability is severe as attackers can gain unauthorized access to the router and execute arbitrary commands, potentially leading to further exploitation and compromise of the network infrastructure.

Technical Details of CVE-2022-23900

This section covers the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises due to improper input validation in the router's API, allowing attackers to inject and execute arbitrary commands remotely.

Affected Systems and Versions

The vulnerability affects the Wavlink WL-WN531P3 router specifically in version M31G3.V5030.201204.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a malicious POST request through the /cgi-bin/adm.cgi endpoint, enabling them to execute commands on the device remotely.

Mitigation and Prevention

It is crucial to take immediate action to address and prevent the exploitation of CVE-2022-23900.

Immediate Steps to Take

Update the Wavlink WL-WN531P3 router to a patched version that addresses the command injection vulnerability.

Long-Term Security Practices

Regularly monitor for security updates and patches released by the vendor to protect against known vulnerabilities.
Implement network segmentation and access controls to limit the impact of potential security breaches.

Patching and Updates

Ensure timely installation of security patches provided by Wavlink to mitigate the risk of exploitation through this vulnerability.