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CVE-2025-40118
high
CVSS 7.8
Vulnerability in c (CVE-2025-40118)
Summary
vulnerability in c (CVE-2025-40118). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-40118** has been found in c.
Successful exploitation can lead to full system takeover. CVSS score: 7.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2025-40118" on the vendor's site.
CVE-2025-40118 (c) — CVSS v3 7.8
Attack vector: local / 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.
❓ What is the problem
**A vulnerability** (unclassified) exists in c.
📍 Affected scope
c — .
🔥 Severity
Severity: High (CVSS 7.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'c' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'c' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `c` を grep し、稼働しているサービス・バージョンを把握する。
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7Post-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 Step 3 と同じログクエリでアラート再発が無いか継続監視。
References
- web https://git.kernel.org/stable/c/251be2f6037fb7ab399f68cd7428ff274133d693
- web https://git.kernel.org/stable/c/45acbf154befedd9bc135f5e031fe7855d1e6493
- web https://git.kernel.org/stable/c/83ced3c206c292458e47c7fac54223abc7141585
- web https://git.kernel.org/stable/c/9326a1541e1b7ed3efdbab72061b82cf01c6477a
- web https://git.kernel.org/stable/c/9c671d4dbfbfb0d73cfdfb706afb36d9ad60a582
- web https://git.kernel.org/stable/c/d94be0a6ae9ade706d4270e740bdb4f79953a7fc
- web https://git.kernel.org/stable/c/e62251954a128a2d0fcbc19e5fa39e08935bb628
- web https://git.kernel.org/stable/c/eef5ef400893f8e3dbb09342583be0cdc716d566
- web https://nvd.nist.gov/vuln/detail/CVE-2025-40118
- web https://github.com/advisories/GHSA-fwp3-pc57-cmgf