CVE-2026-13054
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductWatchguard Fireware
PublishedJul 3, 2026
First seenJul 3, 2026
Weakness typeCWE-22Path traversal
How to fix
Update
- watchguard fireware12.12.1, 2026.2.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| watchguard fireware | 11.0 ≤ v < 12.12.1, 2025.1 ≤ v < 2026.2.1, 11.0 ≤ v ≤ 12.5.18 | 12.12.1, 2026.2.1 |
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