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.
Published: 2026-07-02
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Fireware OS 2026.2.1, Fireware OS 12.12.1

Tracking

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Advisories

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History

Mon, 10 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
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. 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.
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.1
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
References

Mon, 06 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 02 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
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.
Title WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-798
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.1
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1
Vendors & Products Watchguard
Watchguard fireware Os
References
Metrics cvssV4_0

{'score': 5.9, 'vector': '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'}


Subscriptions

Watchguard Firebox M270 Firebox M290 Firebox M295 Firebox M370 Firebox M390 Firebox M395 Firebox M440 Firebox M4600 Firebox M470 Firebox M4800 Firebox M495 Firebox M5600 Firebox M570 Firebox M5800 Firebox M590 Firebox M595 Firebox M670 Firebox M690 Firebox M695 Firebox Nv5 Firebox T115-w Firebox T125 Firebox T125-w Firebox T145 Firebox T145-w Firebox T185 Firebox T20 Firebox T25 Firebox T40 Firebox T45 Firebox T55 Firebox T70 Firebox T80 Firebox T85 Fireboxcloud Fireboxv Fireware Fireware Os
cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-08-10T19:08:31.803Z

Reserved: 2026-06-29T14:36:27.889Z

Link: CVE-2026-13728

cve-icon Vulnrichment

Updated: 2026-07-06T14:55:57.806Z

cve-icon NVD

Status : Modified

Published: 2026-07-03T00:16:52.147

Modified: 2026-08-10T20:17:26.390

Link: CVE-2026-13728

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-10T23:15:05Z

Weaknesses