CVE-2017-20222

HIGH EPSS 48.8%
Published Mar 16, 20263mo ago · Modified Jun 17, 20262w ago
8.7 CVSS 4.0
High
Find Similar
Published Mar 16, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

Description

Telesquare SKT LTE Router SDT-CS3B1 software version 1.2.0 contains an unauthenticated remote reboot vulnerability that allows attackers to trigger device reboot without authentication. Attackers can send POST requests to the lte.cgi endpoint with the Command=Reboot parameter to cause denial of service by forcing the router to restart.

CVSS Details

Base Score
8.7
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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 None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
48.8% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-306 Missing Authentication for Critical Function Authentication

Affected Products 2

VendorProductVersionRange
telesquaresdt-cs3b1_firmware1.2.0any
telesquaresdt-cs3b1*any

References 6

  • cxsecurity.com https://cxsecurity.com/issue/WLB-2017120300
    ExploitIssue Tracking
  • exchange.xforce.ibmcloud.com https://exchange.xforce.ibmcloud.com/vulnerabilities/136825
    Third Party Advisory
  • packetstormsecurity.com https://packetstormsecurity.com/files/145555
    ExploitThird Party Advisory
  • exploit-db.com https://www.exploit-db.com/exploits/43401/
    ExploitThird Party AdvisoryVDB Entry
  • vulncheck.com https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-unauthenticated-remote-reboot
    Third Party Advisory
  • zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5444.php
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.