CVE-2017-20223
Critical · 9.8CVSS
9.8
EPSS
0.5%
Published
Mar 16, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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