Critical severity9.8NVD Advisory· Published Aug 24, 2026· Updated Aug 24, 2026

CVE-2026-71914

Description

Multiple DrayTek VigorAP models contain a command injection vulnerability in the dray_apm component. The vulnerability is caused by insufficient validation of UDP message content after START_SPEED_TEST before command execution. A remote attacker can trigger this vulnerability via a crafted message to execute arbitrary commands with root privileges.

Affected products

Draytek/VigorAPllm-fuzzy

Patches

Vulnerability mechanics

References

www.draytek.com/about/security-advisory/multiple-remote-code-execution-and-buffer-overflow-vulnerabilities-in-vigorap-series-august-2026/nvd
www.vulncheck.com/advisories/draytek-vigorap-multiple-models-pre-authentication-os-command-injection-via-dray-apmnvd

News mentions

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