CVE-2026-71904 DrayTek VigorAP Multiple Models OS Command Injection via tr069TestInform

High 8.6 Published Updated

Remote attackers with admin credentials can execute arbitrary root commands on DrayTek VigorAP devices via the tr069TestInform function.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-71904?

CVE-2026-71904 is a high-severity command injection vulnerability in DrayTek Corporation VigorAP 1060C, published on 24 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Multiple DrayTek VigorAP models contain a command injection vulnerability in the tr069TestInform function. The vulnerability is caused by insufficient filtering of dangerous characters before the event_code field is concatenated into a system command. A remote attacker can trigger this vulnerability via crafted input to execute arbitrary commands with root privileges. Exploitation requires valid administrative credentials for the device's web management interface.

Weakness: CWE-78

Which versions are affected by CVE-2026-71904?

How do I fix CVE-2026-71904?

No fix has been published for CVE-2026-71904 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-71904 being exploited?

There is no known exploitation of CVE-2026-71904 in the wild and no public exploit code.

Sources

Also known as GHSA-7378-7886-rhmg.

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