CVE-2017-20222CWE-306

Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot

High · published March 16, 2026

CVSS v4.0
8.7
EPSS
1%
Percentile
53.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.7 · HIGH
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
EPSS
0.00718 · 53.3th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-03-16T01:28Z
EPSS history
Timeline
  • 16 MAR 01:28Z
    Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot
    cvelistv5