CVE-2022-31789 Integer overflow in n/a

What is CVE-2022-31789?

CVE-2022-31789 is a critical vulnerability in Watchguard Fireware, published on 6 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An integer overflow in WatchGuard Firebox and XTM appliances allows an unauthenticated remote attacker to trigger a buffer overflow and potentially execute arbitrary code by sending a malicious request to exposed management ports. This is fixed in Fireware OS 12.8.1, 12.5.10, and 12.1.4.

Weakness: CWE-190

Which versions are affected by CVE-2022-31789?

It affects 1 product.

Products include Watchguard Fireware.

How do I fix CVE-2022-31789?

No fix has been published for CVE-2022-31789 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-31789 being exploited?

There is no known exploitation of CVE-2022-31789 in the wild and no public exploit code.

Other vulnerabilities in Watchguard Fireware

• CVE-2022-26318 WatchGuard Firebox and XTM Appliances Arbitrary Code Execution Exploited Critical 9.8
• CVE-2025-14733 WatchGuard Firebox Out of Bounds Write Exploited Critical 9.3
• CVE-2025-9242 WatchGuard Firebox Out-of-Bounds Write Exploited Critical 9.3
• CVE-2022-23176 WatchGuard Firebox and XTM Privilege Escalation Exploited High 8.8
• CVE-2013-6021 Memory corruption in n/a Critical 9.3

All Watchguard Fireware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-56q5-c3xh-qfp3.