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CVE-2017-20221

4.3 · MEDIUM

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…

Published Mar 16, 2026CWE-352EPSS 0.29%

Overview

CVE-2017-20221 is a medium-severity vulnerability. It was published on March 16, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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 malicious web pages that perform administrative actions when visited by logged-in users, enabling command execution with router privileges.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refcxsecurity.com/issue/WLB-2017120299Refexchange.xforce.ibmcloud.com/vulnerabilities/136839Refpacketstormsecurity.com/files/145550Refwww.exploit-db.com/exploits/43400/Refwww.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-csrf-system-command-executionRefwww.zeroscience.mk/en/vulnerabilities/ZSL-2017-5443.php

How CyberStrike helps

Frequently asked questions

What is CVE-2017-20221?

CVE-2017-20221 is a medium-severity vulnerability. It was published on March 16, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2017-20221?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2017-20221?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-20221?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-20221 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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