CVE-2024-41338: draytek vigor165_firmware NULL Pointer Dereference
Vulnerability summary
CVE-2024-41338 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in draytek vigor165_firmware. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 38.3% of scored vulnerabilities.
Timeline
- 27-02-2025PublishedVulnerability first disclosed.
- 05-07-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
+0.01 pp
From 0.44% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Draytek20 products
- vigor165_firmware< 4.2.6
- vigor166_firmware< 4.2.6
- vigor2133_firmware< 3.9.8
- vigor2135_firmware< 4.4.5.1
- vigor2620_firmware< 3.9.8.8
1 vendor · 20 products