CVE-2026-13371

Name of the Vulnerable Software and Affected Versions WatchGuard Firebox Management Web UI (affected versions not specified)

Description An authenticated administrator can cause a denial-of-service condition in the Fireware Management Web UI. This occurs when malformed or crafted data is sent to the 'put data' endpoint, which performs unsafe deserialization of the input. Unsafe deserialization is a process where untrusted data is used to abuse the logic of an application to execute unauthorized actions or crash the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.