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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Telesquare SDT-CS3B1 affected
Version Status Constraints
1.2.0 affected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Telesquare Subscribe
Sdt-cs3b1 Subscribe
Sdt-cs3b1 Firmware Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://cxsecurity.com/issue/WLB-2017120297 cve-icon
https://exchange.xforce.ibmcloud.com/vulnerabilities/136993 cve-icon
https://packetstormsecurity.com/files/145551 cve-icon
https://www.exploit-db.com/exploits/43402/ cve-icon
https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference cve-icon
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php cve-icon
History

Mon, 16 Mar 2026 01:45:00 +0000

Type Values Removed Values Added
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.
Title Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference
First Time appeared Telesquare
Telesquare sdt-cs3b1
Telesquare sdt-cs3b1 Firmware
Weaknesses CWE-639
CPEs cpe:2.3:h:telesquare:sdt-cs3b1:-:*:*:*:*:*:*:*
cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.2.0:*:*:*:*:*:*:*
Vendors & Products Telesquare
Telesquare sdt-cs3b1
Telesquare sdt-cs3b1 Firmware
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-16T01:28:26.649Z

Reserved: 2026-03-15T21:57:06.190Z

Link: CVE-2017-20223

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses