CVE-2022-35520 : What You Need to Know
Discover the command injection vulnerability in WAVLINK routers (WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3) through the ufconf parameter in api.cgi, leading to remote code execution.
A command injection vulnerability has been identified in WAVLINK routers, specifically in the api.cgi page with the parameter ufconf. This vulnerability allows an attacker to execute arbitrary commands through the /ledonoff.shtml page.
Understanding CVE-2022-35520
This section will provide detailed insights into the CVE-2022-35520 vulnerability.
What is CVE-2022-35520?
The WAVLINK routers, including models WN572HP3, WN533A8, WN530H4, WN535G3, and WN531P3, are affected by a command injection vulnerability in the api.cgi page due to lack of filtering on the ufconf parameter.
The Impact of CVE-2022-35520
Exploitation of this vulnerability can lead to unauthorized remote command execution on the affected WAVLINK routers, compromising their security and integrity.
Technical Details of CVE-2022-35520
In this section, we will delve into the technical aspects of CVE-2022-35520.
Vulnerability Description
The api.cgi page in WAVLINK routers fails to filter the ufconf parameter, allowing hidden command injection through the /ledonoff.shtml page.
Affected Systems and Versions
WAVLINK router models WN572HP3, WN533A8, WN530H4, WN535G3, and WN531P3 are confirmed to be affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted requests with malicious commands to the vulnerable api.cgi page, enabling them to take control of the affected routers.
Mitigation and Prevention
Learn how to protect your systems and networks against CVE-2022-35520.
Immediate Steps to Take
It is recommended to apply security patches provided by WAVLINK to address this vulnerability immediately and restrict access to the affected routers.
Long-Term Security Practices
Implement network segmentation, strong authentication mechanisms, and regular security audits to enhance the overall security posture of your infrastructure.
Patching and Updates
Stay informed about security updates from WAVLINK and promptly apply patches to mitigate the risk of exploitation associated with CVE-2022-35520.