CVE-2024-46568 Memory corruption in n/a

High 7.5 Published 18 Sep 2024 Updated 17 Mar 2025

Attackers can cause a Denial of Service on Draytek Vigor 3910 routers via a buffer overflow in the vpn.cgi script.

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

What is CVE-2024-46568?

CVE-2024-46568 is a high-severity memory corruption vulnerability in Draytek Vigor3910 Firmware, published on 18 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the sPeerId parameter at vpn.cgi. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Weakness: CWE-120

Which versions are affected by CVE-2024-46568?

It affects 1 product.

Products include Draytek Vigor3910 Firmware.

How do I fix CVE-2024-46568?

No fix has been published for CVE-2024-46568 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-46568 being exploited?

There is no known exploitation of CVE-2024-46568 in the wild and no public exploit code.

All Draytek Vigor3910 Firmware vulnerabilities

Sources

Also known as GHSA-m67j-wqgc-38f3.