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CVE-2025-40159
high
CVSS 7.8
Vulnerability in CVE-2025-40159 (CVE-2025-40159)
Summary
vulnerability in CVE-2025-40159 (CVE-2025-40159). Successful exploitation can lead to full system takeover. Exploitable via ``U32_MAX``.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-40159** has been found in CVE-2025-40159.
Attackers can target a specific entry point like ``U32_MAX`` over the network to misuse the product.
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 "CVE-2025-40159 CVE-2025-40159" on the vendor's site.
CVE-2025-40159 (CVE-2025-40159) — CVSS v3 7.8
Attack vector: local / no user interaction
Attack surface: `U32_MAX` / `u64`
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 CVE-2025-40159. Attackers reach the vulnerable code path via ``U32_MAX`` without authentication.
📍 Affected scope
CVE-2025-40159 — . Attack surface: `U32_MAX` / `u64`.
🔥 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. Audit SBOM/dependencies to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.依存マニフェストで影響コンポーネントを特定する。
-
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/07ca98f906a403637fc5e513a872a50ef1247f3b
- web https://git.kernel.org/stable/c/1463cd066f32efd56ddfd3ac4e3524200f362980
- web https://git.kernel.org/stable/c/5b5fffa7c81e55d8c8edf05ad40d811ec7047e21
- web https://nvd.nist.gov/vuln/detail/CVE-2025-40159
- web https://github.com/advisories/GHSA-9mvj-23j7-q46q