Integer overflow in Fireware OS - CVE-2022-25291

 

Integer overflow in Fireware OS - CVE-2022-25291

Published: December 16, 2025


Vulnerability identifier: #VU119992
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-25291
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: WatchGuard
Affected software:
Fireware OS

Detailed vulnerability description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow. A remote user can initiate a firmware update with a malicious upgrade image, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2022-25291

Install updates from vendor's website.

Sources