CVE-2024-41338
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk35th percentile - higher than 35% of all known CVEs
Summary
A NULL pointer dereference vulnerability was found in Draytek devices. An attacker can send a crafted DHCP request, causing a Denial of Service (DoS).
Risk Assessment
The risk involves the possibility of remotely triggering a device crash, which can disrupt network operations and affect service availability.
Recommendation
It is recommended to immediately update the firmware to the versions specified in the CVE description to eliminate the vulnerability.
Other vulnerabilities in Draytek
See all- CVE-2025-44643High
A vulnerability in Draytek products (AP903, AP912C, AP918R) stems from insecure configuration of the ripd.conf file, which contains a hardcoded weak password. An attacker with network access can exploit this to gain unauthorized control over the routing daemon.
- CVE-2024-41339High
A vulnerability in the CGI endpoint used for configuration uploads in Draytek devices allows attackers to upload a crafted kernel module, leading to arbitrary code execution. Multiple router and VPN gateway models are affected before specific firmware versions.
Original NVD description (English source)
A NULL pointer dereference 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 cause a Denial of Service (DoS) via a crafted DHCP request.

