PT-2026-25739 · Telesquare · Sdt-Cs3B1 Firmware

Published 2026-03-16 · Updated 2026-03-16 · CVE-2017-20221

Positive Technologies (AI Summary)

CVSS v3.1

3.5

Low

Base vector

AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0

Description The Telesquare SKT LTE Router SDT-CS3B1 version 1.2.0 contains a cross-site request forgery issue. Authenticated attackers can execute arbitrary system commands by exploiting missing request validation. Attackers can create malicious web pages that perform administrative actions when visited by logged-in users, allowing command execution with router privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2017-20221

Affected Products

Sdt-Cs3B1 Firmware

References · 8

• 🔥 https://exploit-db.com/exploits/43400 · Exploit
• 🔥 https://zeroscience.mk/en/vulnerabilities/ZSL-2017-5443.php · Exploit
• 🔥 https://packetstormsecurity.com/files/145550 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-20221 · Security Note
• https://vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-csrf-system-command-execution · Note
• https://t.me/CVEtracker/47478 · Telegram Post
• https://cxsecurity.com/issue/WLB-2017120299 · Note
• https://exchange.xforce.ibmcloud.com/vulnerabilities/136839 · Note