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Fencer Intel
high 8.8

CVE-2024-41334 json

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…

published last yr. modified 4mo ago also EUVD-2025-5952

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

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.

Patch / fix

  • draytek vigor166_firmware 4.2.6
  • draytek vigor2620_firmware 3.9.8.8
  • draytek vigorlte200_firmware 3.9.8.8
  • draytek vigor2860_firmware 3.9.7
  • draytek vigor2925_firmware 3.9.7
  • draytek vigor2862_firmware 3.9.9.4
  • draytek vigor2926_firmware 3.9.9.4
  • draytek vigor2133_firmware 3.9.8
  • draytek vigor2762_firmware 3.9.8
  • draytek vigor2832_firmware 3.9.8
  • draytek vigor2135_firmware 4.4.5.1
  • draytek vigor2765_firmware 4.4.5.1
  • draytek vigor2766_firmware 4.4.5.1
  • draytek vigor2865_firmware 4.4.5.3
  • draytek vigor2866_firmware 4.4.5.3
  • draytek vigor2927_firmware 4.4.5.3
  • draytek vigor2962_firmware 4.3.2.7
  • draytek vigor3910_firmware 4.3.2.7
  • draytek vigor3912_firmware 4.3.5.2
  • draytek vigor165_firmware 4.2.6

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.