CVE-2017-20222 HIGH

CVE-2017-20222: Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot

Vendor Telesquare
Product SDT-CS3B1
Weakness CWE-306 · Missing auth
Published March 16, 2026
Last update April 7, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 16, 2026 CVE published
April 7, 2026 Record updated