CVE-2024-41338

HIGH

Draytek Vigor Routers - Denial of Service via Crafted DHCP Request

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2

Scores

CVSS v3 7.5
EPSS 0.0045
EPSS Percentile 35.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (20)
draytek/vigor165_firmware < 4.2.6
draytek/vigor166_firmware < 4.2.6
draytek/vigor2133_firmware < 3.9.8
draytek/vigor2135_firmware < 4.4.5.1
draytek/vigor2620_firmware < 3.9.8.8
draytek/vigor2762_firmware < 3.9.8
draytek/vigor2765_firmware < 4.4.5.1
draytek/vigor2766_firmware < 4.4.5.1
draytek/vigor2832_firmware < 3.9.8
draytek/vigor2860_firmware < 3.9.7
... and 10 more
Published Feb 27, 2025
Tracked Since Feb 18, 2026