Sign in Sign up
JA · EN · FR
SecPulse
Categories
CVE-2026-15271 high CVSS 7.5

Vulnerability in TOTOLINK A3000RU (CVE-2026-15271)

Summary

Vulnerability in TOTOLINK A3000RU (CVE-2026-15271). Successful exploitation can lead to full system takeover.

Original description

The description as published by the source.

A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185R_T10 and EX200 up to 20260906. Affected by this issue is some unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. The manipulation leads to least privilege violation. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitation is known to be difficult.

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-2026-15271 has been found in TOTOLINK A3000RU.
Successful exploitation can lead to full system takeover. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "TOTOLINK A3000RU CVE-2026-15271" on the vendor's site.

CVE-2026-15271 (TOTOLINK A3000RU) — CWE-266 / CVSS v3 7.5
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.

❓ What is the problem

A vulnerability (CWE-266) exists in TOTOLINK A3000RU.

📍 Affected scope

Check the vendor advisory for the affected versions of TOTOLINK A3000RU.

🔥 Severity

Severity: High (CVSS 7.5/10). 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

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで TOTOLINK A3000RU を使っているサービスとバージョンを洗い出す。

  2. 2
    Post-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

We use cookies for analytics and ad measurement. This setting applies to all Game co., Ltd. sites. Details