What’s Vulnerable › Vulnerabilities

CVE-2017-20221: Telesquare SKT LTE Router SDT-CS3B1 CSRF System Command Execution

• Severity: low (CVSS 3.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-16 · updated 2026-06-17
• Weakness: CWE-352

Description

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.

Affected products

• Telesquare SDT-CS3B1: 1.2.0

References

• https://cxsecurity.com/issue/WLB-2017120299
• https://exchange.xforce.ibmcloud.com/vulnerabilities/136839
• https://packetstormsecurity.com/files/145550
• https://www.exploit-db.com/exploits/43400/
• https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-csrf-system-command-execution
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5443.php

Get alerted when CVE-2017-20221 or the next vulnerability affects your stack