CVE-2017-20221
MEDIUM EPSS 20.4%
Published Mar 16, 20263mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 4.0
Published Mar 16, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
20.4% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available
Weaknesses 1
CWE-352 Cross-Site Request Forgery (CSRF) Authentication
Affected Products 2
| Vendor | Product | Version | Range |
|---|---|---|---|
| telesquare | sdt-cs3b1_firmware | 1.2.0 | any |
| telesquare | sdt-cs3b1 | * | any |
References 6
- cxsecurity.com https://cxsecurity.com/issue/WLB-2017120299
- exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/136839
- packetstormsecurity.com https://packetstormsecurity.com/files/145550
- exploit-db.com https://www.exploit-db.com/exploits/43400/
- vulncheck.com https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-csrf-system-command-execution
- zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5443.php
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.