CVE-2017-20223: Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference

Published Mar 16, 2026
·
Updated

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 Software

3 affected components
Telesquare SKT LTE Router SDT-CS3B1
All of the following
Telesquare SDT-CS3B1 firmware=1.2.0
Telesquare SDT-CS3B1

Event History

Mar 16, 2026
CVE Published
via MITRE·01:28 AM
Data Sourced
via MITRE·01:28 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:17 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2017-20223?

CVE-2017-20223 has a high severity rating as it allows unauthorized access to sensitive resources.

2

How do I fix CVE-2017-20223?

To fix CVE-2017-20223, upgrade the router firmware to the latest version provided by Telesquare.

3

What types of attacks can exploit CVE-2017-20223?

CVE-2017-20223 can be exploited through unauthorized access and manipulation of user-supplied input parameters.

4

Which devices are affected by CVE-2017-20223?

CVE-2017-20223 affects the Telesquare SKT LTE Router SDT-CS3B1 with firmware version 1.2.0.

5

Is CVE-2017-20223 a common vulnerability?

CVE-2017-20223 is a specific vulnerability found in a particular router model and may not be widely recognized but is significant for users of that device.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203