5.9Medium
CVE-2026-13728WatchGuard 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 does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.
Weakness (CWE):
CWE-798
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| watchguard | fireware | 12.1 – < 12.12.1 | |
| WatchGuard | Fireware OS | 2025.1 – < 2026.2.1, 12.0 – < 12.12.1 |
References and patches
- https://psirt.watchguard.com/CVE-2026-13728 vendor-advisory
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00025 vendor-advisoryVendor Advisory
CPE matches (NVD) (2)
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 12.1 < 12.12.1cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 2025.1 < 2026.2.1