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. CrowdSec network telemetry also shows that exploitation of CVE-2025-41646 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

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