CVE-2024-41334: draytek vigor165_firmware Improper Certificate Validation
Vulnerability summary
CVE-2024-41334 is a high (CVSS 8.8) Improper Certificate Validation vulnerability in draytek vigor165_firmware. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.5% of scored vulnerabilities.
Timeline
- 27-02-2025PublishedVulnerability first disclosed.
- 08-07-2026Last modifiedVulnerability information updated.
Description
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 were discovered to not utilize certificate verification, allowing attackers to upload crafted APPE modules from non-official servers, leading to arbitrary code execution.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% 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