CVE-2026-71920
A remote, authenticated attacker can exploit multiple vulnerabilities in DrayTek Vigor Switches to execute arbitrary code.
CSIRTS triage
- What
- Multiple vulnerabilities enable remote authenticated attackers to execute arbitrary code.
- Who is affected
- DrayTek Vigor Switch deployments with remote management or API access enabled.
- Urgency
- Medium severity requiring authentication; patch promptly to prevent code execution on network infrastructure.
- Action
- Update DrayTek Vigor Switches to firmware versions addressing CVE-2026-71915 through CVE-2026-71922.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Advisory coverage (2)
- medium[NEW] [medium] DrayTek Vigor Switches: Multiple Vulnerabilities Enable Code Executioncert-bund · 2026-08-25
- mediumCVE-2026-71920: Multiple DrayTek VigorSwitch models contain a null pointer dereference vulnerability in the fo…nvd · 2026-08-24
External references
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[](https://www.csirts.com/cve/CVE-2026-71920)