CVE-2024-41340 File upload in n/a

High 8.4 Published 27 Feb 2025 Updated 5 Jul 2026

Attackers can upload malicious APP Enforcement modules to Draytek routers, resulting in arbitrary code execution on the device.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-41340?

CVE-2024-41340 is a high-severity vulnerability in Draytek Vigor3910 Firmware, published on 27 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue in Draytek devices Vigor 165/166 prior to v4.2.6 , Vigor 2620/LTE200 prior to v3.9.8.8, Vigor 2860/2925 prior to v3.9.7, Vigor 2862/2926 prior to v3.9.9.4, Vigor 2133/2762/2832 prior to v3.9.8, Vigor 2135/2765/2766 prior to v4.4.5.1, Vigor 2865/2866/2927 prior to v4.4.5.3, Vigor 2962/3910 prior to v4.3.2.7, Vigor 3912 prior to v4.3.5.2, and Vigor 2925 up to v3.9.6 allows attackers to upload crafted APP Enforcement modules, leading to arbitrary code execution.

Weakness: CWE-434

Which versions are affected by CVE-2024-41340?

It affects 20 products.

Products include Draytek Vigor165 Firmware, Draytek Vigor166 Firmware, Draytek Vigor2133 Firmware, Draytek Vigor2135 Firmware, Draytek Vigor2620 Firmware, Draytek Vigor2762 Firmware and 14 more.

How do I fix CVE-2024-41340?

No fix has been published for CVE-2024-41340 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-41340 being exploited?

There is no known exploitation of CVE-2024-41340 in the wild and no public exploit code.

All Draytek Vigor3910 Firmware vulnerabilities

Sources

Also known as GHSA-r8xf-h4x7-4grp.