CVE-2017-20221

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2017-20221
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.

4.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://cxsecurity.com/issue/WLB-2017120299 Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/136839 Third Party Advisory
https://packetstormsecurity.com/files/145550 Exploit Third Party Advisory
https://www.exploit-db.com/exploits/43400/ Exploit VDB Entry
https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-csrf-system-command-execution Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5443.php Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.2.0:*:*:*:*:*:*:*
cpe:2.3:h:telesquare:sdt-cs3b1:-:*:*:*:*:*:*:*
History

14 Apr 2026, 17:29

Type Values Removed Values Added
Summary
  • (es) El router Telesquare SKT LTE SDT-CS3B1 versión 1.2.0 contiene una vulnerabilidad de falsificación de petición en sitios cruzados que permite a atacantes autenticados ejecutar comandos de sistema arbitrarios al explotar la falta de validación de peticiones. Los atacantes pueden crear páginas web maliciosas que realizan acciones administrativas cuando son visitadas por usuarios con sesión iniciada, lo que permite la ejecución de comandos con privilegios de router.
References () https://cxsecurity.com/issue/WLB-2017120299 - () https://cxsecurity.com/issue/WLB-2017120299 - Issue Tracking
References () https://exchange.xforce.ibmcloud.com/vulnerabilities/136839 - () https://exchange.xforce.ibmcloud.com/vulnerabilities/136839 - Third Party Advisory
References () https://packetstormsecurity.com/files/145550 - () https://packetstormsecurity.com/files/145550 - Exploit, Third Party Advisory
References () https://www.exploit-db.com/exploits/43400/ - () https://www.exploit-db.com/exploits/43400/ - Exploit, VDB Entry
References () https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-csrf-system-command-execution - () https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-csrf-system-command-execution - Third Party Advisory
References () https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5443.php - () https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5443.php - Exploit, Third Party Advisory
CPE cpe:2.3:h:telesquare:sdt-cs3b1:-:*:*:*:*:*:*:*
cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.2.0:*:*:*:*:*:*:*
First Time Telesquare
Telesquare sdt-cs3b1 Firmware
Telesquare sdt-cs3b1

16 Mar 2026, 14:17

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-16 14:17

Updated : 2026-04-14 17:29

NVD link : CVE-2017-20221

Mitre link : CVE-2017-20221

CVE.ORG link : CVE-2017-20221

JSON object : View

Products Affected

telesquare

  • sdt-cs3b1_firmware
  • sdt-cs3b1
CWE
CWE-352

Cross-Site Request Forgery (CSRF)