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.
Published: 2026-03-16
Score: 9.3 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Authorization Bypass
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 16 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


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'}


Subscriptions

Telesquare Sdt-cs3b1 Sdt-cs3b1 Firmware
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-07T14:03:42.716Z

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

Link: CVE-2017-20223

cve-icon Vulnrichment

Updated: 2026-03-16T14:17:01.309Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-16T14:17:52.347

Modified: 2026-04-14T16:57:27.823

Link: CVE-2017-20223

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-23T14:00:45Z

Weaknesses