CVE-2026-13053 – WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler

CVE ID :CVE-2026-13053

Published : July 2, 2026, 11:08 p.m. | 38 minutes ago

Description :An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.

This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.

Severity: 8.6 | HIGH

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