CVE-2026-13728CWE-798hardcoded-credentials

CVE-2026-13728

Medium · published July 3, 2026

CVSS v3.1
4.4
EPSS
0%
Percentile
13.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00230 · 13.1th percentile
Weakness
CWE-798 · Use of Hard-coded Credentials
Published
2026-07-03T04:16Z
Affected products (2)
ProductVersionsFixed in
watchguard/fireware≥ 12.1, < 12.12.112.12.1
watchguard/fireware≥ 2025.1, < 2026.2.12026.2.1
References (2)
https://psirt.watchguard.com/CVE-2026-13728 · 5d1c2695-1a31-4499-88ae-e847036fd7e3https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00025 · 5d1c2695-1a31-4499-88ae-e847036fd7e3
EPSS history
Timeline
  • 02 JUL 23:07Z
    WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database
    cvelistv5