Revolution Pi webstatus - Authentication Bypass (CVE-2025-41646)

CVE-2025-41646 is a critical vulnerability in Kunbus Revolution Pi webstatus that allows remote attackers to bypass authentication by exploiting a type conversion flaw. Successful exploitation can result in full device compromise, enabling attackers to gain unauthorized control and access to sensitive system functions.

CrowdSec has been tracking this vulnerability and its exploits since 16th of July 2025.

CrowdSec network observations suggest that most exploitation of CVE-2025-41646 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2025-41646 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2025-41646 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Attackers exploit this vulnerability by sending POST requests to /php/dal.php, bypassing authentication and gaining unauthorized access to the device.