PT-2025-49161 · Watchguard · Watchguard Fireware

Simone Paganessi · Published 2025-12-04 · Updated 2025-12-10 · CVE-2025-13937

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS versions 12.4 through 12.11.4 WatchGuard Fireware OS versions 12.5 through 12.5.13 WatchGuard Fireware OS versions 2025.1 through 2025.1.2

Description A flaw exists in the ConnectWise Technology Integration module of WatchGuard Fireware OS that allows for Stored Cross-site Scripting (XSS). This issue is due to improper neutralization of input during web page generation. Stored XSS occurs when a malicious script is stored on the target server and then executed by other users when they access the affected web page.

Recommendations Update WatchGuard Fireware OS to a version later than 12.11.4. Update WatchGuard Fireware OS to a version later than 12.5.13. Update WatchGuard Fireware OS to a version later than 2025.1.2.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-13937

Affected Products

Watchguard Fireware

References · 7

• https://watchguard.com/wgrd-psirt/advisory/wgsa-2025-00022 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-13937 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-13937 · Security Note
• https://twitter.com/VulmonFeeds/status/1996818022191816886 · Twitter Post
• https://t.me/cveNotify/145341 · Telegram Post
• https://twitter.com/CVEnew/status/1996704783315394821 · Twitter Post
• https://t.me/CVEtracker/38864 · Telegram Post