CVE-2022-35523 : Security Advisory and Response
Discover the impact of CVE-2022-35523, a command injection flaw in WAVLINK routers, enabling attackers to execute arbitrary commands. Learn how to secure your devices.
This article provides details about CVE-2022-35523, a vulnerability found in WAVLINK routers that could lead to command injection.
Understanding CVE-2022-35523
This section delves into the impact and technical aspects of the vulnerability.
What is CVE-2022-35523?
The vulnerability in WAVLINK routers (models WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3) allows attackers to inject commands via the firewall configuration page.
The Impact of CVE-2022-35523
The lack of input validation on specific parameters can enable threat actors to execute arbitrary commands, potentially compromising the device and network security.
Technical Details of CVE-2022-35523
Explore the specifics of this security issue in the following breakdown.
Vulnerability Description
The vulnerability arises due to the absence of input filtering on parameters del_mac and flag within the firewall.cgi script, allowing unauthorized command injection through the /cli_black_list.shtml page.
Affected Systems and Versions
All WAVLINK routers identified in the affected models are susceptible to this command injection vulnerability when navigating to the specified page.
Exploitation Mechanism
By exploiting the lack of input sanitization, threat actors can craft malicious input, leveraging the vulnerable parameters to execute arbitrary commands on the affected WAVLINK routers.
Mitigation and Prevention
Learn how to secure your systems and mitigate the risks associated with CVE-2022-35523.
Immediate Steps to Take
Users are advised to update their WAVLINK routers to the latest firmware version provided by the manufacturer, implementing necessary security patches to address the command injection flaw.
Long-Term Security Practices
To enhance overall security posture, it is recommended to regularly monitor for firmware updates, apply security best practices, and configure firewall rules to limit unauthorized access.
Patching and Updates
Stay informed about security advisories from WAVLINK and promptly apply any patches or fixes released to safeguard your network against potential threats.