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CVE-2017-20221

Telesquare SKT LTE Router SDT-CS3B1 CSRF System Command Execution

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.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
CVE-2017-20222

Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot

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.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
CVE-2017-20223

Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference

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.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
CVE-2017-20224

Telesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File Upload

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.

CVSS 4.0 · 9.3 Critical EPSS 1.1% KEV · Not listed
Vendors
CVE-2025-9603

Telesquare TLR-2005KSH internet.cgi command injection

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.

CVSS 4.0 · 5.3 Medium EPSS 6.2% KEV · Not listed
Vendors
CVE-2021-46424

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.

CVSS 3.1 · 9.1 Critical EPSS 36.5% KEV · Not listed
Vendors