CVE-2025-6946

Medium

Description

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the IPS configuration. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management ninterface of another management user.

SeverityMedium

CVSS4.8

Exploit probability—

ProductWatchguard Fireware

PublishedDec 4, 2025

First seenDec 4, 2025

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

watchguard fireware12.11.3, 12.5.13 or later

Vendor advisories

psirt.watchguard.com/CVE-2025-6946
watchguard.com/wgrd-psirt/advisory/wgsa-2025-00011

Affected products

Product	Affected versions	Fixed in
watchguard fireware	12.0.0 ≤ v < 12.11.3, 12.5 ≤ v < 12.5.13	12.11.3, 12.5.13

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