CVE-2026-13728#
WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database
Summary #
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 does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.
Product status #
| Product | Affected | Not affected |
|---|---|---|
| Fireware OS | ||
| Default | >= 2025.1, < 2026.2.1, >= 12.0, < 12.12.1 | >= 2026.2.1, >= 12.12.1 |
| EUCC | >= 12.0, < 12.11.9 | >= 12.11.9 |
Required Configuration for Exposure #
The vulnerable system must be a member of an Active/Active or Active/Passive FireCluster.
Weakness Type and Impact #
Exploitation Status #
WatchGuard is not aware of any exploitation of this vulnerability in the wild.
Solution #
Fireware OS 2026.2.1, Fireware OS 12.12.1, Fireware OS 12.11.9
References #
Credits #
- Cody Sixteenfinder