CVE-2026-13728
5.9
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 < 2026.2.1 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.12.1 | affected |
Weaknesses
- CWE-798: CWE-798
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://psirt.watchguard.com/CVE-2026-13728
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00025
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