CVE-2022-35526 Explained : Impact and Mitigation

This article provides details about CVE-2022-35526, a vulnerability found in WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 login.cgi that allows command injection in the /login.shtml page.

Understanding CVE-2022-35526

This section delves into the nature and impact of the CVE-2022-35526 vulnerability.

What is CVE-2022-35526?

The vulnerability in WAVLINK routers allows attackers to perform command injection due to a lack of filtering on parameter key in the login page.

The Impact of CVE-2022-35526

The security flaw enables malicious actors to execute arbitrary commands, posing a significant risk to the affected systems.

Technical Details of CVE-2022-35526

Explore the technical aspects of the CVE-2022-35526 vulnerability in this section.

Vulnerability Description

The absence of input filtering on parameter key in the login.cgi file permits unauthorized command execution through the /login.shtml page.

Affected Systems and Versions

WAVLINK models including WN572HP3, WN533A8, WN530H4, WN535G3, and WN531P3 are impacted by this vulnerability.

Exploitation Mechanism

By exploiting the lack of input validation, threat actors can inject and execute commands through the login page, compromising the router's security.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-35526 and prevent future vulnerabilities.

Immediate Steps to Take

Users are advised to restrict access to the affected routers and closely monitor network traffic for any suspicious activities.

Long-Term Security Practices

Implement strong password policies, regularly update router firmware, and configure proper access controls to enhance the overall security posture.

Patching and Updates

Vendor-supplied patches and firmware updates should be promptly applied to address the CVE-2022-35526 vulnerability and safeguard the network from potential exploits.