CVE-2017-20221

Telesquare SKT LTE Router SDT-CS3B1 CSRF System Command Execution

LOW
3.5
CVSS Score
Published: March 16, 2026 at 01:28 AM UTC
Updated: June 17, 2026 at 01:15 AM UTC
2 products affected across 1 vendorSdt CS3B1 FirmwareSDT-CS3B1

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Severity
LOW3.5
Exploit prediction
EPSS 0.3%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

Third Party AdvisoryExploit
Source: cverecord
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5443.php
Third Party AdvisoryIssue Tracking
Source: cverecord
https://cxsecurity.com/issue/WLB-2017120299
ExploitThird Party Advisory
Source: cverecord
https://packetstormsecurity.com/files/145550
ExploitVDB Entry
Source: cverecord
https://www.exploit-db.com/exploits/43400/
VDB EntryThird Party Advisory
Source: cverecord
https://exchange.xforce.ibmcloud.com/vulnerabilities/136839

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-352

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