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Vulnerability record · CVE-2024-41339 · published 27 February 2025

CVE-2024-41339: Draytek vigor165 firmware unrestricted file upload vulnerability

Draytek · Vigor165 Firmware

An issue in the CGI endpoint used to upload configurations 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 upload a crafted kernel module, allowing for arbitrary code execution.

8.8 CVSS 3.1 High EPSS 0.65% · top 51.1% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
20Affected product versions listed by NVD
1References
5 Jul 2026Last modified by NVD

Description

An issue in the CGI endpoint used to upload configurations 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 upload a crafted kernel module, allowing for arbitrary code execution.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

20 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://medium.com/faraday/advisory-multiple-vulnerabilities-affecting-draytek-routers-78a6cb8b3946 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-51138Draytek vigor3912 firmware stack-based buffer overflow vulnerabilityVigor165/166 4.2.7 and earlier; Vigor2620/LTE200 3.9.8.9 and earlier; Vigor2860/2925 3.9.8 and earlier; Vigor2862/2926 3.9.9.5 and earlier; Vigor2133…EPSS 1.1%9.8CVE-2024-51139Draytek vigor2620 firmware classic buffer overflow vulnerabilityBuffer Overflow vulnerability in Vigor2620/LTE200 3.9.8.9 and earlier and Vigor2860/2925 3.9.8 and earlier and Vigor2862/2926 3.9.9.5 and earlier and…EPSS 1.00%9.8CVE-2024-41593Draytek vigor3912 firmware out-of-bounds write vulnerabilityDrayTek Vigor310 devices through 4.3.2.6 allow a remote attacker to execute arbitrary code via the function ft_payload_dns(), because a byte sign-ext…EPSS 0.89%9.8CVE-2023-31447Draytek vigor2620 firmware code injection vulnerabilityuser_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to m…EPSS 0.94%9.8CVE-2023-33778Draytek myvigor hard-coded credentials vulnerabilityDraytek Vigor Routers firmware versions below 3.9.6/4.2.4, Access Points firmware versions below v1.4.0, Switches firmware versions below 2.6.7, and …EPSS 0.59%9.8CVE-2022-32548Draytek vigor3910 firmware classic buffer overflow vulnerabilityAn issue was discovered on certain DrayTek Vigor routers before July 2022 such as the Vigor3910 before 4.3.1.1. /cgi-bin/wlogin.cgi has a buffer over…EPSS 34%8.8CVE-2024-41334Draytek vigor166 firmware improper certificate validation vulnerabilityDraytek 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…EPSS 0.38%8.4CVE-2024-41340Draytek vigor165 firmware unrestricted file upload vulnerabilityAn issue 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 pri…EPSS 0.21%

Source: NIST National Vulnerability Database (record CVE-2024-41339), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.