MeteoBridge - RCE (CVE-2025-4008)

CVE-2025-4008 is a critical command injection vulnerability in the MeteoBridge web interface, allowing remote unauthenticated attackers to execute arbitrary commands as root on affected devices. This flaw could be exploited to fully compromise weather station systems, potentially leading to data manipulation, device takeover, or use in broader network attacks.

CrowdSec has been tracking this vulnerability and its exploits since 15th of April 2026.

Insights from the CrowdSec network reveal that the attackers trying to exploit CVE-2025-4008 are composed of a fairly even mix of opportunistic and targeted actors. Some attackers employ preliminary reconnaissance, while others use indiscriminate scanning. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2025-4008 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2025-4008 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Attackers exploit the /public/template.cgi endpoint by injecting OS commands into the templatefile parameter, enabling unauthenticated remote code execution with root privileges on vulnerable MeteoBridge devices.