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CVE-2017-20221

MEDIUM CVSS 4.0: 5.3 EPSS 0.01%
Updated Mar 16, 2026
Telesquare
Parameter Value
CVSS 5.3 (MEDIUM)
Type CWE-352 (Cross-Site Request Forgery (CSRF))
Vendor Telesquare
Public PoC Yes

Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0 contains a cross-site request forgery vulnerability that allows authenticated attackers to execute arbitrary system commands by exploiting missing request validation. Attackers can craft malicious web pages that perform administrative actions when visited by logged-in users, enabling command execution with router privileges.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0