CVE-2017-20221

Telesquare SKT LTE Router SDT-CS3B1 CSRF System Command Execution

CVSS 5.3 MEDIUMEPSS 0.3%CWE-352

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

16 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L

Affected products

Telesquare · SDT-CS3B1

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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