CVE-2026-13728

published 2026-07-03

CVE-2026-13728: In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal…

Priority P4 24 medium 4.4 CVSS 3.1

AV N AC H PR H UI N S U C H I N A N

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

4 ranges

Vendor	Product	Version range	Fixed in
watchguard	fireware	>= 12.1 < 12.12.1	12.12.1
watchguard	fireware	>= 2025.1 < 2026.2.1	2026.2.1
watchguard	fireware_os	>= 12.0 < 12.12.1	12.12.1
watchguard	fireware_os	>= 2025.1 < 2026.2.1	2026.2.1

CVSS provenance

nvd v3.1 4.4 MEDIUM CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

nvd v4.0 5.9 MEDIUM 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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CWE-798