NVD

CVE-2026-13728 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

Current 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.

View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

Nist CVSS score does not match with CNA score

CNA: WatchGuard Technologies, Inc.

CVSS-B 5.9 MEDIUM

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

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 4.4 MEDIUM

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

URL	Source(s)	Tag(s)
https://psirt.watchguard.com/CVE-2026-13728	WatchGuard Technologies, Inc.
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00025	WatchGuard Technologies, Inc.	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-798	Use of Hard-coded Credentials	WatchGuard Technologies, Inc.

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

4 change records found show changes

CVE Modified by WatchGuard Technologies, Inc. 8/10/2026 4:17:26 PM

Action

Type

Old Value

New Value

Changed

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.

Added

Reference

https://psirt.watchguard.com/CVE-2026-13728

Changed

Affected

[{"vendor":"WatchGuard","product":"Fireware OS","defaultStatus":"unaffected","versions":[{"version":"12.1","lessThanOrEqual":"12.12","versionType":"semver","status":"affected"},{"version":"2025.1","lessThanOrEqual":"2026.2","versionType":"semver","status":"affected"}]}]

[{"vendor":"WatchGuard","product":"Fireware OS","defaultStatus":"unaffected","versions":[{"version":"2025.1","lessThan":"2026.2.1","versionType":"custom","status":"affected"},{"version":"12.0","lessThan":"12.12.1","versionType":"custom","status":"affected"}]}]

Initial Analysis by NIST 7/09/2026 3:45:20 PM

Action	Type	New Value
Added	CVSS V3.1	AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Added	CPE Configuration	AND OR cpe:2.3:o:watchguard:fireware::::::::* versions from (including) 12.1 up to (excluding) 12.12.1 OR cpe:2.3:h:watchguard:firebox_t55:-:::::::* cpe:2.3:h:watchguard:firebox_t70:-:::::::* cpe:2.3:h:watchguard:firebox_t20:-:::::::* cpe:2.3:h:watchguard:firebox_t40:-:::::::* cpe:2.3:h:watchguard:firebox_t80:-:::::::* cpe:2.3:h:watchguard:firebox_m440:-:::::::* cpe:2.3:h:watchguard:firebox_m270:-:::::::* cpe:2.3:h:watchguard:firebox_m370:-:::::::* cpe:2.3:h:watchguard:firebox_m470:-:::::::* cpe:2.3:h:watchguard:firebox_m570:-:::::::* cpe:2.3:h:watchguard:firebox_m670:-:::::::* cpe:2.3:h:watchguard:firebox_m290:-:::::::* cpe:2.3:h:watchguard:firebox_m390:-:::::::* cpe:2.3:h:watchguard:firebox_m590:-:::::::* cpe:2.3:h:watchguard:firebox_m690:-:::::::* cpe:2.3:h:watchguard:firebox_m4800:-:::::::* cpe:2.3:h:watchguard:firebox_m5800:-:::::::* cpe:2.3:h:watchguard:fireboxcloud:-:::::::* cpe:2.3:h:watchguard:fireboxv:-:::::::* cpe:2.3:h:watchguard:firebox_m4600:-:::::::* cpe:2.3:h:watchguard:firebox_m5600:-:::::::* cpe:2.3:h:watchguard:firebox_nv5:-:::::::* cpe:2.3:h:watchguard:firebox_t25:-:::::::* cpe:2.3:h:watchguard:firebox_t45:-:::::::* cpe:2.3:h:watchguard:firebox_t85:-:::::::*
Added	CPE Configuration	AND OR cpe:2.3:o:watchguard:fireware::::::::* versions from (including) 2025.1 up to (excluding) 2026.2.1 OR cpe:2.3:h:watchguard:firebox_t115-w:-:::::::* cpe:2.3:h:watchguard:firebox_t125:-:::::::* cpe:2.3:h:watchguard:firebox_t125-w:-:::::::* cpe:2.3:h:watchguard:firebox_t145:-:::::::* cpe:2.3:h:watchguard:firebox_t145-w:-:::::::* cpe:2.3:h:watchguard:firebox_t185:-:::::::* cpe:2.3:h:watchguard:firebox_m295:-:::::::* cpe:2.3:h:watchguard:firebox_m395:-:::::::* cpe:2.3:h:watchguard:firebox_m495:-:::::::* cpe:2.3:h:watchguard:firebox_m595:-:::::::* cpe:2.3:h:watchguard:firebox_m695:-:::::::*
Added	Reference Type	WatchGuard Technologies, Inc.: https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00025 Types: Vendor Advisory

New CVE Received from WatchGuard Technologies, Inc. 7/02/2026 8:16:52 PM

Action	Type	New Value
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.
Added	CVSS V4.0	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
Added	CWE	CWE-798
Added	Reference	https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00025
Added	Affected	[{"vendor":"WatchGuard","product":"Fireware OS","defaultStatus":"unaffected","versions":[{"version":"12.1","lessThanOrEqual":"12.12","versionType":"semver","status":"affected"},{"version":"2025.1","lessThanOrEqual":"2026.2","versionType":"semver","status":"affected"}]}]

Quick Info

CVE Dictionary Entry:
CVE-2026-13728
NVD Published Date:
07/02/2026
NVD Last Modified:
08/10/2026
Source:
WatchGuard Technologies, Inc.

You are viewing this page in an unauthorized frame window.

Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2026-13728 Detail

Current Description

Analysis Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by WatchGuard Technologies, Inc. 8/10/2026 4:17:26 PM

Initial Analysis by NIST 7/09/2026 3:45:20 PM

CVE Modified by CISA-ADP 7/06/2026 12:16:29 PM

New CVE Received from WatchGuard Technologies, Inc. 7/02/2026 8:16:52 PM

Quick Info