What is CVE-2025-12196?

CVE-2025-12196 is a high-severity vulnerability in Watchguard Fireboxcloud, classified under Out-of-bounds Write. CVSS score: 7.2/10. Published 2025-12-04.

How severe is CVE-2025-12196?

High severity. CVSS v3 base score is 7.2 out of 10.

Buffer overflow in Watchguard Fireboxcloud

CVE-2025-12196

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.

Vulnerability class: Buffer Overflow

Published 2025-12-04 · last modified 2026-08-10.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (47.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

5d1c2695-1a31-4499-88ae-e847036fd7e3 (vendor-advisory, Vendor Advisory)
5d1c2695-1a31-4499-88ae-e847036fd7e3 (vendor-advisory)

Frequently asked questions

What is CVE-2025-12196?: CVE-2025-12196 is a high-severity vulnerability in Watchguard Fireboxcloud, classified under Out-of-bounds Write. CVSS score: 7.2/10. Published 2025-12-04.
How severe is CVE-2025-12196?: High severity. CVSS v3 base score is 7.2 out of 10.