Draytek: Security Vulnerabilities
Certain Draytek products are vulnerable to Cross Site Scripting (XSS) via the wlogin.cgi script and user_login.cgi script of the router's web application management portal. This affects Vigor3910, Vigor1000B, Vigor2962 v4.3.2.1; Vigor2865 and Vigor2866 v4.4.1.0; Vigor2927 v4.4.2.2; and Vigor2915, Vigor2765, Vigor2766, Vigor2135 v4.4.2.0; Vigor2763 v4.4.2.1; Vigor2862 and Vigor2926 v3.9.9.0; Vigor2925 v3.9.3; Vigor2952 and Vigor3220 v3.9.7.3; Vigor2133 and Vigor2762 v3.9.6.4; and Vigor2832 v3.9.6.2.
CVSS Score
6.1
EPSS Score
0.002
Published
2023-03-03
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability, which was classified as critical, was found in DrayTek Vigor 2960 1.5.1.4/1.5.1.5. Affected is an unknown function of the file mainfunction.cgi of the component Web Management Interface. The manipulation of the argument password leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-222258 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
CVSS Score
7.2
EPSS Score
0.377
Published
2023-03-03
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability has been found in DrayTek Vigor 2960 1.5.1.4/1.5.1.5 and classified as critical. Affected by this vulnerability is the function getSyslogFile of the file mainfunction.cgi of the component Web Management Interface. The manipulation of the argument option leads to path traversal. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-222259. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
CVSS Score
6.5
EPSS Score
0.002
Published
2023-03-03
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical has been found in DrayTek Vigor 2960 1.5.1.4/1.5.1.5. Affected is the function sub_1DF14 of the file /cgi-bin/mainfunction.cgi of the component Web Management Interface. The manipulation of the argument option with the input /../etc/passwd- leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-221742 is the identifier assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
CVSS Score
6.5
EPSS Score
0.03
Published
2023-02-24
An 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 overflow via the username or password to the aa or ab field.
CVSS Score
10.0
EPSS Score
0.628
Published
2022-08-29
A Format String vulnerability exists in DrayTek Vigor 2960 <= 1.5.1.3, DrayTek Vigor 3900 <= 1.5.1.3, and DrayTek Vigor 300B <= 1.5.1.3 in the mainfunction.cgi file via a crafted HTTP message containing malformed QUERY STRING, which could let a remote malicious user execute arbitrary code.
CVSS Score
9.8
EPSS Score
0.125
Published
2022-03-29
A Remote Command Injection vulnerability exists in DrayTek Vigor 2960 1.5.1.3, DrayTek Vigor 3900 1.5.1.3, and DrayTek Vigor 300B 1.5.1.3 via a crafted HTTP message containing malformed QUERY STRING in mainfunction.cgi, which could let a remote malicious user execute arbitrary code.
CVSS Score
9.8
EPSS Score
0.461
Published
2022-03-29
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.
CVSS Score
5.4
EPSS Score
0.002
Published
2021-10-22
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.
Known exploited
CVSS Score
7.5
EPSS Score
0.932
Published
2021-10-13
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.
Known exploited
CVSS Score
7.5
EPSS Score
0.937
Published
2021-10-13