CVE-2026-13728
Severity CVSS v4.0:
MEDIUM
Type:
CWE-798
Use of Hard-coded Credentials
Publication date:
03/07/2026
Last modified:
28/08/2026
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.<br />
<br />
This vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.
Impact
Base Score 4.0
5.90
Severity 4.0
MEDIUM
Base Score 3.x
4.40
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* | 12.1 (including) | 12.12.1 (excluding) |
| cpe:2.3:h:watchguard:firebox_m270:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m290:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m370:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m390:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m440:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m4600:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m470:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m4800:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m5600:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m570:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m5800:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m590:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m670:-:*:*:*:*:*:*:* | ||
| cpe:2.3:h:watchguard:firebox_m690:-:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page



