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CVE-2017-20222

Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot

Published: Mar 16, 2026Updated: Apr 14, 2026 Sources: CVE List NVDCWE-306
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.7%
Top 51.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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 Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-306

Affected Products

SDT-CS3B1Telesquare
Embedded
ICS / OT / IoT / ip-camera-nvr
sdt-cs3b1 firmwaretelesquare
Embedded
ICS / OT / IoT / ip-camera-nvr
telesquarecommercialICS / OT / IoTaka tlr-2005ksh firmware, sdt-cs3b1 firmware

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5444.php
zeroscience.mk
https://cxsecurity.com/issue/WLB-2017120300
cxsecurity.com
https://packetstormsecurity.com/files/145555
packetstormsecurity.com
and 3 more references View all →

Timeline

Published
Mar 16, 2026
Last Updated
Apr 14, 2026

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