Out-of-Bounds Write in WatchGuard Fireware OS's CLI (CVE-2025-12195)
Summary
Out-of-bounds write in WatchGuard Fireware OS's CLI (CVE-2025-12195). Successful exploitation can lead to full system takeover.
Original description
The description as published by the source.
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.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2025-12195 has been found in WatchGuard Fireware OS's CLI.
Successful exploitation can lead to full system takeover. CVSS score: 7.2/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "WatchGuard Fireware OS's CLI CVE-2025-12195" on the vendor's site.
CVE-2025-12195 (WatchGuard Fireware OS's CLI) — CWE-787 / CVSS v3 7.2
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Out-of-bounds write (CWE-787) exists in WatchGuard Fireware OS's CLI.
Check the vendor advisory for the affected versions of WatchGuard Fireware OS's CLI.
Severity: High (CVSS 7.2/10). Successful exploitation can lead to full system takeover.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで WatchGuard Fireware OS's CLI を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web psirt.watchguard.com
- web watchguard.com
- web nvd.nist.gov
- web github.com