CVE-2025-13937

Medium

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (ConnectWise Technology Integration module) allows Stored XSS.

SeverityMedium

CVSS6.1

Exploit probability—

ProductWatchguard Fireware

PublishedDec 4, 2025

First seenDec 4, 2025

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

watchguard fireware2025.1.3, 12.11.5, 12.5.14 or later

Vendor advisories

psirt.watchguard.com/CVE-2025-13937
watchguard.com/wgrd-psirt/advisory/wgsa-2025-00022

Affected products

Product	Affected versions	Fixed in
watchguard fireware	2025.1 ≤ v < 2025.1.3, 12.0.0 ≤ v < 12.11.5, 12.5 ≤ v < 12.5.14	2025.1.3, 12.11.5, 12.5.14

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