What is CVE-2017-20221?

CVE-2017-20221 is a medium-severity vulnerability in Telesquare Sdt-cs3b1, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-03-16.

How severe is CVE-2017-20221?

Medium severity. CVSS v3 base score is 4.3 out of 10.

CSRF in Telesquare Sdt-cs3b1

CVE-2017-20221

Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0 contains a cross-site request forgery vulnerability that allows authenticated attackers to execute arbitrary system commands by exploiting missing request validation. Attackers can craft ma…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (2.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Telesquare Sdt-cs3b1 — versions 1.2.0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

Zero Science Lab Disclosure (third-party-advisory)
CXSecurity (third-party-advisory)
Packet Storm Security (exploit)
Exploit DB (exploit)
IBM X-Force Exchange (vdb-entry)
VulnCheck Advisory: Telesquare SKT LTE Router SDT-CS3B1 CSRF System Command Execution (third-party-advisory)

Frequently asked questions

What is CVE-2017-20221?: CVE-2017-20221 is a medium-severity vulnerability in Telesquare Sdt-cs3b1, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2026-03-16.
How severe is CVE-2017-20221?: Medium severity. CVSS v3 base score is 4.3 out of 10.