CVE-2022-35524 : Exploit Details and Defense Strategies

WAVLINK routers including models WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3 are vulnerable to command injection due to lack of parameter filtering in the adm.cgi page /wizard_rep.shtml.

Understanding CVE-2022-35524

This CVE-2022-35524 affects WAVLINK routers, allowing attackers to exploit command injection vulnerabilities.

What is CVE-2022-35524?

The CVE-2022-35524 vulnerability exists in WAVLINK routers due to unrestricted parameters, enabling malicious actors to execute commands through specific pages.

The Impact of CVE-2022-35524

This vulnerability could lead to unauthorized command execution on affected routers, potentially compromising the network security and user data.

Technical Details of CVE-2022-35524

The following technical details shed light on the vulnerability's specifics:

Vulnerability Description

WAVLINK routers fail to filter parameters, including wlan_signal, web_pskValue, sel_EncrypTyp, sel_Automode, wlan_bssid, wlan_ssid, and wlan_channel, enabling command injection via /wizard_rep.shtml.

Affected Systems and Versions

Models affected include WAVLINK WN572HP3, WN533A8, WN530H4, WN535G3, WN531P3.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted requests containing malicious commands to the affected parameters.

Mitigation and Prevention

To address CVE-2022-35524, consider the following mitigation strategies:

Immediate Steps to Take

Disable remote access to the router administration interface.
Regularly monitor network traffic for any suspicious activity.

Long-Term Security Practices

Keep router firmware up to date with the latest security patches.
Implement strong password policies for router access.

Patching and Updates

Check the vendor's website for firmware updates and security advisories regularly to apply patches addressing this vulnerability.