CVE-2017-20222

Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot

CVSS 8.7 HIGHEPSS 0.7%CWE-306

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.7EPSS 0.7%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 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/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

Telesquare · SDT-CS3B1

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References

https://cxsecurity.com/issue/WLB-2017120300 https://exchange.xforce.ibmcloud.com/vulnerabilities/136825 https://packetstormsecurity.com/files/145555 https://www.exploit-db.com/exploits/43401/https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-unauthenticated-remote-reboot https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5444.php