WN535K2 - RCE (CVE-2022-2486)

CVE-2022-2486 is a critical vulnerability in WAVLINK WN535K2 and WN535K3 routers that allows attackers to perform OS command injection via the 'key' parameter in the /cgi-bin/mesh.cgi?page=upgrade endpoint. This flaw could enable authenticated attackers on the network to execute arbitrary commands on the device, potentially leading to full system compromise, data theft, or disruption of network services. Public exploit code is available, increasing the risk of real-world attacks.

CrowdSec has been tracking this vulnerability and its exploits since 8th of April 2026.

Data from the CrowdSec community indicates that exploitation of CVE-2022-2486 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2022-2486 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2022-2486 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Attackers exploit the /cgi-bin/mesh.cgi?page=upgrade endpoint on Wavlink routers by injecting OS commands via the key parameter, enabling remote code execution without authentication.