CVE-2023-33778

Draytek 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 Myvigor firmware versions below 2.3.2 were discovered to use hardcoded encryption keys which allows attackers to bind any affected device to their o...

CVE-2023-47254

An OS Command Injection in the CLI interface on DrayTek Vigor167 version 5.2.2, allows remote attackers to execute arbitrary system commands and escalate privileges via any account created within the web interface...

CVE-2023-24229

DrayTek Vigor2960 v1.5.1.4 allows an authenticated attacker with network access to the web management interface to inject operating system commands via the mainfunction.cgi 'parameter' parameter. NOTE: This vulnerability only affects products that are no longer supported by the maintainer...

CVE-2021-20123

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

CVE-2021-20125

An arbitrary file upload and directory traversal vulnerability exists in the file upload functionality of DownloadFileServlet in Draytek VigorConnect 1.6.0-B3. An unauthenticated attacker could leverage this vulnerability to upload files to any location on the target operating system with root...

CVE-2021-20129

An information disclosure vulnerability exists in Draytek VigorConnect 1.6.0-B3, allowing an unauthenticated attacker to export system logs...

CVE-2021-20128

The Profile Name field in the floor plan Network Menu page in Draytek VigorConnect 1.6.0-B3 was found to be vulnerable to stored XSS, as user input is not properly sanitized...

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...