CVE-2026-13050: WatchGuard Fireware

High severity, CVSS 7.2. EPSS: 0.6% chance of exploitation in the next 30 days.

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.

Affected products

• WatchGuard Fireware: from 2025.1, before 2026.2.1 (fixed in 2026.2.1); from 12.5, before 12.5.19 (fixed in 12.5.19); from 11.0.0, before 11.12.4 (fixed in 11.12.4); version 11.12.4 only; from 12.0, before 12.12.1 (fixed in 12.12.1)

Published 2026-07-03. Last modified 2026-08-28.