Path traversal in Fireware OS - CVE-2026-13054
Published: July 3, 2026
Vulnerability identifier: #VU136880
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-13054
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WatchGuard
Affected software:
Fireware OS
Fireware OS
Detailed vulnerability description
The vulnerability allows a remote user to write arbitrary files.
The vulnerability exists due to path traversal in the management web ui when handling crafted file path input. A remote privileged user can send a specially crafted request to write arbitrary files.
How to mitigate CVE-2026-13054
Install security update from vendor's website.