CVE-2026-13054
WatchGuard Firebox Arbitrary File Write via Path Traversal in Management Web UI
Description
A path traversal vulnerability in the WatchGuard Fireware OS Management Web UI allows a privileged authenticated attacker to write arbitrary files on the Firebox's filesystem. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.
INFO
Published Date :
July 2, 2026, 11:07 p.m.
Last Modified :
July 2, 2026, 11:07 p.m.
Remotely Exploit :
Yes !
Source :
WatchGuard
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 5d1c2695-1a31-4499-88ae-e847036fd7e3 |
Solution
- Upgrade Fireware OS to a version that addresses this vulnerability.
- Apply vendor-supplied patches or updates promptly.
- Restrict filesystem access for privileged users.
- Monitor system file integrity.
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CVE-2026-13054 vulnerability anywhere in the article.