An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via specially crafted IPSec configuration CLI commands.This vulnerability affects Fireware OS 11.0 up to and including 11.12.4+541730, 12.0 up to and including 12.11.4, 12.5 up to and including 12.5.13, and 2025.1 up to and including 2025.1.2.
Conclusion & alert: CVE-2025-12195 is rated Moderate Risk (47.1/100): CVSS High severity, with low exploitation likelihood (EPSS 0.16%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-14 | 0.14% | 0.16% | +0.02% |
| 2 | 2026-05-02 | 0.19% | 0.14% | -0.05% |
| 3 | 2026-04-05 | — | 0.19% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.6 | 4.0 | HIGH |
|
— | — | 5d1c2695-1a31-4499-88ae-e847036fd7e3 |
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| watchguard | fireware | >= 2025.1, < 2025.1.3 | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* |
| watchguard | fireware | >= 11.0, < 12.11.5 | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* |
| watchguard | fireware | >= 11.0, < 12.5.14 | cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00019 | Vendor Advisory |