CVE-2021-20124

A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the WebServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges...

CVE-2021-20126

Draytek VigorConnect 1.6.0-B3 lacks cross-site request forgery protections and does not sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request...

CVE-2021-20127

An arbitrary file deletion vulnerability exists in the file delete functionality of the Html5Servlet endpoint of Draytek VigorConnect 1.6.0-B3. This allows an authenticated user to arbitrarily delete files in any location on the target operating system with root privileges...

CVE-2020-10828

A stack-based buffer overflow in cvmd on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request...

CVE-2020-10825

A stack-based buffer overflow in /cgi-bin/activate.cgi while base64 decoding ticket parameter on Draytek Vigor3900, Vigor2960, and Vigor300B devices before 1.5.1 allows remote attackers to achieve code execution via a remote HTTP request issue 3 of 3...

CVE-2020-8515

DrayTek Vigor2960 1.3.1Beta, Vigor3900 1.4.4Beta, and Vigor300B 1.3.3Beta, 1.4.2.1Beta, and 1.4.4Beta devices allow remote code execution as root without authentication via shell metacharacters to the cgi-bin/mainfunction.cgi URI. This issue has been fixed in Vigor3900/2960/300B v1.5.1...

CVE-2020-28968

Draytek VigorAP 1000C contains a stored cross-site scripting XSS vulnerability in the RADIUS Setting - RADIUS Server Configuration module. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the username input field...

CVE-2020-14993

A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi...

CVE-2020-19664

DrayTek Vigor2960 1.5.1 allows remote command execution via shell metacharacters in a toLogin2FA action to mainfunction.cgi...

CVE-2019-16534

On DrayTek Vigor2925 devices with firmware 3.8.4.3, XSS exists via a crafted WAN name on the General Setup screen. NOTE: this is an end-of-life product...

CVE-2018-20872

DrayTek routers before 2018-05-23 allow CSRF attacks to change DNS or DHCP settings, a related issue to CVE-2017-11649...

CVE-2013-5703

The DrayTek Vigor 2700 router 2.8.3 allows remote attackers to execute arbitrary JavaScript code, and modify settings or the DNS cache, via a crafted SSID value that is not properly handled during insertion into the sWlessSurvey value in variables.js...

CISA Adds Three Known Exploited Vulnerabilities to Catalog

Updated June 5, 2025 CISA is continually collaborating with partners across government and the private sector. Through this collaboration, CISA learned that CVE-2025-4664 has not been exploited and there is insufficient evidence to keep this CVE on the KEV and that the best course of action is to...

DrayTek Vigor Routers OS Command Injection Vulnerability

DrayTek Vigor2960, Vigor300B, and Vigor3900 routers contain an OS command injection vulnerability due to an unknown function of the file /cgi-bin/mainfunction.cgi/apmcfgupload of the component web management interface...

The vulnerability of the APP Enforcement module of the DrayTek Vigor router software allows a violator to execute arbitrary code.

The vulnerability of the APP Enforcement APPE module of DrayTek Vigor router software is related to errors in the SSL certificate validation process. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability in the signature loading function of the APPE Signature Upgrade module of the DrayTek Vigor router microsoftware allows a violator to execute arbitrary code.

The vulnerability of the signature loading function in the APPE Signature Upgrade microprogramming software for DrayTek Vigor routers allows for unlimited loading of malicious files. Exploiting this vulnerability can enable a hacker to execute arbitrary code...

CVE-2024-41334

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...

CVE-2024-41338

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...

CVE-2024-41340

An 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 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 2962/391...

CVE-2024-41335

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...