WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database

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Summary

CVECVE-2026-13728
StatePUBLISHED
AssignerWatchGuard
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-03 00:16:52 UTC
Updated2026-07-09 19:45:20 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v4.0 5.9 MEDIUM from 5d1c2695-1a31-4499-88ae-e847036fd7e3

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

EPSS: 0.001620000 probability, percentile 0.057360000 (date 2026-07-08)

Problem Types: CWE-798 | CWE-798 CWE-798 Use of Hard-coded Credentials

VersionSourceTypeScoreSeverityVector
4.05d1c2695-1a31-4499-88ae-e847036fd7e3Secondary5.9MEDIUMCVSS: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/C...
4.0CNACVSS5.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
3.1[email protected]Primary4.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
High
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Sub Conf.
Low
Sub Integrity
None
Sub Availability
None

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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Watchguard Fireboxcloud - All All All
Hardware Watchguard Fireboxv - All All All
Hardware Watchguard Firebox M270 - All All All
Hardware Watchguard Firebox M290 - All All All
Hardware Watchguard Firebox M370 - All All All
Hardware Watchguard Firebox M390 - All All All
Hardware Watchguard Firebox M440 - All All All
Hardware Watchguard Firebox M4600 - All All All
Hardware Watchguard Firebox M470 - All All All
Hardware Watchguard Firebox M4800 - All All All
Hardware Watchguard Firebox M5600 - All All All
Hardware Watchguard Firebox M570 - All All All
Hardware Watchguard Firebox M5800 - All All All
Hardware Watchguard Firebox M590 - All All All
Hardware Watchguard Firebox M670 - All All All
Hardware Watchguard Firebox M690 - All All All
Hardware Watchguard Firebox Nv5 - All All All
Hardware Watchguard Firebox T20 - All All All
Hardware Watchguard Firebox T25 - All All All
Hardware Watchguard Firebox T40 - All All All
Hardware Watchguard Firebox T45 - All All All
Hardware Watchguard Firebox T55 - All All All
Hardware Watchguard Firebox T70 - All All All
Hardware Watchguard Firebox T80 - All All All
Hardware Watchguard Firebox T85 - All All All
Operating System Watchguard Fireware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA WatchGuard Fireware OS affected 12.1 12.12 semver Not specified
CNA WatchGuard Fireware OS affected 2025.1 2026.2 semver Not specified

References

ReferenceSourceLinkTags
www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00025 5d1c2695-1a31-4499-88ae-e847036fd7e3 www.watchguard.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Cody Sixteen (en)

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