Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-20222

26
FAUCET Score

CVE-2017-20222 is an unauthenticated remote reboot vulnerability affecting Telesquare SKT LTE Router SDT-CS3B1 software version 1.2.0. Attackers can trigger a denial of service by forcing the router to restart through a specific POST request to the lte.cgi endpoint without requiring authentication. This vulnerability carries a CVSS v3.1 score of 7.5 (HIGH), indicating it is remotely exploitable with low attack complexity. While not listed in CISA's Known Exploited Vulnerabilities catalog, community discussions suggest the existence of exploit code, with one mention referencing Packetstorm.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.0CPE matchmatch criteria
cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

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
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 26th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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