WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in SIP Proxy Configuration

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-6947
StatePUBLISHED
AssignerWatchGuard
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-15 22:15:34 UTC
Updated2026-08-08 00:16:34 UTC
DescriptionA stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the SIP Proxy configuration. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

Risk And Classification

Primary CVSS: v4.0 4.8 MEDIUM from 5d1c2695-1a31-4499-88ae-e847036fd7e3

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/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

Problem Types: CWE-79 | CWE-79 CWE-79

VersionSourceTypeScoreSeverityVector
4.05d1c2695-1a31-4499-88ae-e847036fd7e3Secondary4.8MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/C...
4.0CNADECLARED4.8MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA WatchGuard Fireware OS affected 12.0 12.11.3 custom Default
CNA WatchGuard Fireware OS affected 12.0 12.5.13 custom T15/T35

References

ReferenceSourceLinkTags
www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00012 5d1c2695-1a31-4499-88ae-e847036fd7e3 www.watchguard.com
psirt.watchguard.com/CVE-2025-6947 5d1c2695-1a31-4499-88ae-e847036fd7e3 psirt.watchguard.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Fireware OS 12.11.3, Fireware OS 12.5.13

Exploits

CNA: WatchGuard is not aware of any exploitation of this vulnerability in the wild.

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report