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CVE-2017-20222— Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot

Quick assessment

Affected
Telesquare SDT-CS3B1
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Telesquare SKT LTE Router SDT-CS3B1是韩国Telesquare公司的一款无线路由器。 Telesquare SKT LTE Router SDT-CS3B1 1.2.0版本存在访问控制错误漏洞，该漏洞源于存在未经身份验证的远程重启漏洞，可能导致攻击者触发拒绝服务。

CVSS 7.5 · High EPSS 0.71% · P51
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I. Basic Information for CVE-2017-20222

Vulnerability Information
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Vulnerability Title
Telesquare SKT LTE Router SDT-CS3B1 Unauthenticated Remote Reboot
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Telesquare SKT LTE Router SDT-CS3B1 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Telesquare SKT LTE Router SDT-CS3B1是韩国Telesquare公司的一款无线路由器。 Telesquare SKT LTE Router SDT-CS3B1 1.2.0版本存在访问控制错误漏洞，该漏洞源于存在未经身份验证的远程重启漏洞，可能导致攻击者触发拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Telesquare SDT-CS3B1 1.2.0 -

II. Public POCs for CVE-2017-20222

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III. Intelligence Information for CVE-2017-20222

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Vendor Advisories for CVE-2017-20222 (1)

Exploits & Public PoCs for CVE-2017-20222 (4)

Same Patch Batch · Telesquare · 2026-03-16 · 4 CVEs total

CVE-2017-20223 9.8 CRITICAL Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference
CVE-2017-20224 9.8 CRITICAL Telesquare SKT LTE Router SDT-CS3B1 WebDAV Arbitrary File Upload
CVE-2017-20221 4.3 MEDIUM Telesquare SKT LTE Router SDT-CS3B1 CSRF System Command Execution

IV. Related Vulnerabilities

Same product: SDT-CS3B1
Same vendor: Telesquare
Same weakness: CWE-306

V. Comments for CVE-2017-20222

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