CVE-2017-20223

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cxsecurity.com/issue/WLB-2017120297	Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/136993	Third Party Advisory
https://packetstormsecurity.com/files/145551	Third Party Advisory
https://www.exploit-db.com/exploits/43402/	Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference	Third Party Advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.2.0:*:*:*:*:*:*:*

cpe:2.3:h:telesquare:sdt-cs3b1:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-16 14:17

Updated : 2026-06-17 01:15

NVD link : CVE-2017-20223

Mitre link : CVE-2017-20223

CVE.ORG link : CVE-2017-20223

JSON object : View

Products Affected

telesquare

sdt-cs3b1
sdt-cs3b1_firmware

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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