CVE-2022-26207 : Vulnerability Insights and Analysis

This CVE-2022-26207 article provides detailed information about a command injection vulnerability discovered in Totolink A830R, A3100R, A950RG, A800R, A3000RU, and A810R routers.

Understanding CVE-2022-26207

This section covers what CVE-2022-26207 is and its impact on the affected systems.

What is CVE-2022-26207?

The Totolink routers mentioned were found to have a command injection vulnerability in the setDiagnosisCfg function through the ipDoamin parameter. This flaw enables malicious actors to run arbitrary commands via a specifically crafted request.

The Impact of CVE-2022-26207

The vulnerability poses a severe risk as threat actors can execute unauthorized commands on the affected Totolink routers, potentially leading to unauthorized access and control.

Technical Details of CVE-2022-26207

In this section, we delve deeper into the vulnerability's technical aspects, affected systems, and exploitation methods.

Vulnerability Description

The vulnerability in Totolink routers allows attackers to inject and execute commands through a vulnerable parameter, ipDoamin, compromising the device's security and integrity.

Affected Systems and Versions

The vulnerability affects Totolink A830R V5.9c.4729_B20191112, A3100R V4.1.2cu.5050_B20200504, A950RG V4.1.2cu.5161_B20200903, A800R V4.1.2cu.5137_B20200730, A3000RU V5.9c.5185_B20201128, and A810R V4.1.2cu.5182_B20201026 routers.

Exploitation Mechanism

By leveraging the ipDoamin parameter, threat actors can send crafted requests to the Totolink routers, executing unauthorized commands and compromising the device's security.

Mitigation and Prevention

This section highlights immediate steps to take and long-term security practices to mitigate the CVE-2022-26207 vulnerability.

Immediate Steps to Take

Users should update their Totolink router firmware to the latest patched version to prevent exploitation of the command injection vulnerability. Additionally, users are advised to restrict network access to the routers.

Long-Term Security Practices

Implement network segmentation, strong password policies, and regular security audits to enhance the overall security posture of Totolink routers and prevent future vulnerabilities.

Patching and Updates

Regularly check for firmware updates and security advisories from Totolink. Promptly apply patches and security updates to protect the routers from known vulnerabilities and ensure a secure network environment.