CVE-2017-20223

CRITICAL

Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference

Title source: cna

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.

Exploits (1)

exploitdb WRITEUP

by LiquidWorm · textwebappshardware

https://www.exploit-db.com/exploits/43402

View Code ZIP pw:eip

References (6)

[Third Party Advisory] https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php

[Exploit] https://www.exploit-db.com/exploits/43402/

[Exploit] https://packetstormsecurity.com/files/145551

[Third Party Advisory] https://cxsecurity.com/issue/WLB-2017120297

[Vdb Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/136993

[Third Party Advisory] https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference

Scores

CVSS v3 9.8

EPSS 0.0002

EPSS Percentile 6.7%

Attack Vector NETWORK

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

Details

CWE

CWE-639

Status published

Products (2)

Telesquare/SDT-CS3B1 1.2.0

telesquare/sdt-cs3b1_firmware 1.2.0

Published Mar 16, 2026

Tracked Since Mar 16, 2026