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Critical · 9.8 CVE-2017-20223 EUVD-2017-18939

Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference

Published Mar 16, 2026 · Updated Apr 7, 2026 · Assigned by VulnCheck

Description

Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.

Affected products

VendorProductAffectedFixed
Telesquare SDT-CS3B1 1.2.0 —

References