CVE-2026-13728
WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database
Description
In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources. This vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to and including 2026.2. This vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.
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 | MEDIUM | 5d1c2695-1a31-4499-88ae-e847036fd7e3 |
Solution
- Update Fireware OS to a non-vulnerable version.
- Ensure Access Portal feature is disabled if not needed.
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