CVE-2017-20222 PUBLISHED

Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot

Assigner: VulnCheck
Reserved: 15.03.2026 Published: 16.03.2026 Updated: 16.03.2026

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 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
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Telesquare
Product	SDT-CS3B1
Versions	Version 1.2.0 is affected

CVE-2017-20222 PUBLISHED

Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot

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Product Status

Credits

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Problem Types