CVE-2026-3987

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

Description A path traversal vulnerability exists in the Fireware OS Web UI. This flaw allows a privileged authenticated remote attacker to execute arbitrary code within the context of an elevated system process. Path traversal is a technique used to access files and directories that are stored outside the web root folder by manipulating variables that reference files with input that is not properly neutralized.

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