No exploitation reportedFix available

CVE-2022-31789

Q: Is CVE-2022-31789 actively exploited?

Active exploitation of CVE-2022-31789 has not been confirmed. Its EPSS score was 1.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-31789?

CVE-2022-31789 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-09-06
Fixed in12.5.10 · 12.1.4
WeaknessCWE-190

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2022-09-0619:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-31789?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-31789?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Watchguard fireware

Branch	Affected	Fixed in	Source
12.x	≥ 12.2.0, < 12.5.10	12.5.10	NVD
12.x	≥ 12.0.0, < 12.1.4	12.1.4	NVD
12.6	= 12.6.1	no fix published	NVD
12.6	= 12.6.3	no fix published	NVD
12.6	= 12.6.4	no fix published	NVD
12.7	= 12.7.0	no fix published	NVD
12.7	= 12.7.1	no fix published	NVD
12.7	= 12.7.2	no fix published	NVD
12.8	= 12.8.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Watchguard fireware to 12.5.10 · 12.1.4

Advisories and patches

www.watchguard.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDweakness (CWE)CWE-190read 2026-10-23
FIRST EPSSEPSS score1.9 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-09-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-31789?

Is CVE-2022-31789 actively exploited?

Active exploitation of CVE-2022-31789 has not been confirmed. Its EPSS score was 1.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-31789?

CVE-2022-31789 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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