Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0 contains an arbitrary file upload vulnerability that allows unauthenticated attackers to upload malicious content by exploiting enabled WebDAV HTTP methods. Attackers can use PUT, DELETE, MKCOL, MOVE, COPY, and PROPPATCH methods to upload executable code, delete files, or manipulate server content for remote code execution or denial of service.

Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.

Telesquare SKT LTE Router SDT-CS3B1 software version 1.2.0 contains an unauthenticated remote reboot vulnerability that allows attackers to trigger device reboot without authentication. Attackers can send POST requests to the lte.cgi endpoint with the Command=Reboot parameter to cause denial of service by forcing the router to restart.

Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0 contains a cross-site request forgery vulnerability that allows authenticated attackers to execute arbitrary system commands by exploiting missing request validation. Attackers can craft malicious web pages that perform administrative actions when visited by logged-in users, enabling command execution with router privileges.

A vulnerability was determined in Telesquare TLR-2005KSH 1.2.4. The affected element is an unknown function of the file /cgi-bin/internet.cgi?Command=lanCfg. Executing manipulation of the argument Hostname can lead to command injection. The attack may be performed from a remote location. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Telesquare TLR-2005KSH 1.1.4 is vulnerable to Information Disclosure via the parameter getUserNamePassword.

Telesquare TLR-2005KSH 1.1.4 is affected by an unauthorized stack overflow vulnerability when requesting the admin.cgi parameter with setSyncTimeHost.

Telesquare TLR-2005KSH 1.1.4 is vulnerable to unauthorized stack buffer overflow vulnerability when requesting admin.cgi parameter with setDdns.

Telesquare TLR-2005KSH 1.1.4 is affected by an unauthorized command execution vulnerability when requesting the admin.cgi parameter with setAutorest.

Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability in the login interface when requesting systemtil.cgi.

Telesquare TLR-2005KSH 1.1.4 is vulnerable to unauthorized stack overflow vulnerability when requesting admin.cgi parameter with setNtp.

Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability when requesting the admin.cgi parameter with setAutorest.

Telesquare TLR-2005KSH 1.1.4 allows unauthorized password modification when requesting the admin.cgi parameter with setUserNamePassword.

Telesquare TLR-2005KSH 1.1.4 has an Information Disclosure vulnerability when requesting systemutilit.cgi.

Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability when requesting the admin.cgi parameter with setUsernamePassword.

In Telesquare TLR-2005KSH 1.1.4, an unauthorized stack overflow vulnerability exists when requesting admin.cgi parameter with setSyncTimeHost.

Unauthorized stack overflow vulnerability in Telesquare TLR-2005KSH v.1.1.4 allows a remote attacker to obtain sensitive information via the systemutil.cgi component.

An issue discovered in Telesquare TLR-2005Ksh 1.0.0 and 1.1.4 allows attackers to run arbitrary system commands via the Cmd parameter.

Telesquare TLR-2005KSH 1.0.0 is affected by an arbitrary file deletion vulnerability that allows a remote attacker to delete any file, even system internal files, via a DELETE request.

Telesquare TLR-2005KSH 1.0.0 is affected by an unauthenticated file download vulnerability that allows a remote attacker to download a full configuration file.

Telesquare SDT-CW3B1 1.1.0 is affected by an OS command injection vulnerability that allows a remote attacker to execute OS commands without any authentication.

An unauthorized file deletion vulnerability in Telesquare TLR-2855KS6 via DELETE method can allow deletion of system files and scripts.

An unauthorized file creation vulnerability in Telesquare TLR-2855KS6 via PUT method can allow creation of CGI scripts.

TLR-2005KSH is affected by an incorrect access control vulnerability. THe PUT method is enabled so an attacker can upload arbitrary files including HTML and CGI formats.

Telesquare SDT-CS3B1 and SDT-CW3B1 devices through 1.2.0 have a default factory account. Remote attackers can obtain access to the device via TELNET using a hardcoded account.