CVE-2017-20223 - Vulnerability Analysis
CriticalCVSS: 9.8Last Updated: March 16, 2026
Telesquare SKT LTE Router SDT-CS3B1 - Broken Access Control
Published: March 16, 2026Updated: March 16, 2026Remote Exploitable
Overview
Telesquare SKT LTE Router SDT-CS3B1 firmware 1.2.0 contains an insecure direct object reference caused by improper access control on user-supplied input parameters, letting attackers bypass authorization and access sensitive resources, exploit requires no special privileges.
Severity & Score
Severity: Critical
CVSS Score: 9.8
Impact
Attackers can bypass authorization to access sensitive information and functionalities without proper access controls.
Mitigation
Update to the latest firmware version.
References
- https://packetstormsecurity.com/files/145551
- https://www.exploit-db.com/exploits/43402/
- https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php
- https://cxsecurity.com/issue/WLB-2017120297
- https://exchange.xforce.ibmcloud.com/vulnerabilities/136993
Related Resources
Details
- CVE ID
- CVE-2017-20223
- Severity
- Critical
- CVSS Score
- 9.8
- Type
- broken_access_control
- Status
- unconfirmed
CWE
- CWE-639
CVSS Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H