Stack-based buffer overflow in Fireware OS - CVE-2025-1547
Published: July 15, 2025
Vulnerability identifier: #VU112909
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-1547
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in WatchGuard Fireware OS's certificate request command. A local user can pass specially crafted command arguments via CLI, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Affected software
Fireware OS
How to mitigate CVE-2025-1547
Install updates from vendor's website.
Fireware OS - update to 12.11.3