CVE-2017-20223
Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference
- State
- Published
- Severity
- 9.3 Critical
- Published
- Mar 16, 2026
- Updated
- Apr 7, 2026
- Reserved
- Mar 15, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.3 Critical | 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 | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
SDT-CS3B1Telesquare |
|
References
- Zero Science Lab Disclosurethird-party-advisory
- Exploit DBexploit
- Packet Storm Securityexploit
- CXSecuritythird-party-advisory
- IBM X-Force Exchangevdb-entry
- VulnCheck Advisory: Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Referencethird-party-advisory
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