Telesquare: Security Vulnerabilities
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 Score
8.7
EPSS Score
0.001
Published
2026-03-16
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 Score
9.3
EPSS Score
0.0
Published
2026-03-16
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 Score
9.3
EPSS Score
0.001
Published
2026-03-16
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 Score
5.3
EPSS Score
0.0
Published
2026-03-16
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 Score
5.3
EPSS Score
0.008
Published
2025-08-29
Telesquare TLR-2005KSH 1.1.4 allows unauthorized password modification when requesting the admin.cgi parameter with setUserNamePassword.
CVSS Score
9.8
EPSS Score
0.003
Published
2025-03-26
Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability when requesting the admin.cgi parameter with setUsernamePassword.
CVSS Score
9.8
EPSS Score
0.004
Published
2025-03-26
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.
CVSS Score
7.5
EPSS Score
0.003
Published
2025-03-26
Telesquare TLR-2005KSH 1.1.4 is vulnerable to unauthorized stack overflow vulnerability when requesting admin.cgi parameter with setNtp.
CVSS Score
9.8
EPSS Score
0.004
Published
2025-03-26
Telesquare TLR-2005KSH 1.1.4 has an unauthorized stack overflow vulnerability when requesting the admin.cgi parameter with setAutorest.
CVSS Score
9.8
EPSS Score
0.004
Published
2025-03-26
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