CVE Tools
Sign in

CVE-2017-20223

Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference

Published: Mar 16, 2026Updated: Apr 14, 2026 Sources: CVE List NVDCWE-639
9.8CRITICAL
NVD MITRE
EPSS Score
0.5%
Top 57.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

Description

Telesquare SKT LTE Router SDT-CS3B1 firmware version 1.2.0 contains an insecure direct object reference vulnerability that allows attackers to bypass authorization and access resources by manipulating user-supplied input parameters. Attackers can directly reference objects in the system to retrieve sensitive information and access functionalities without proper access controls.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-639

Affected Products

Telesquare
commercialaka sdt-cs3b1 firmware, tlr-2005ksh firmware
SDT-CS3B1Embedded
ICS / OT / IoT / ip-camera-nvr
sdt-cs3b1 firmwareEmbedded
ICS / OT / IoT / ip-camera-nvr

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
Is your org exposed to CVE-2017-20223?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php
zeroscience.mk
https://www.exploit-db.com/exploits/43402/
exploit-db.com
https://packetstormsecurity.com/files/145551
packetstormsecurity.com
and 3 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2017-20223 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows