CVE-2017-20223
Telesquare SKT LTE Router SDT-CS3B1 Insecure Direct Object Reference
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.
INFO
Published Date :
March 16, 2026, 2:17 p.m.
Last Modified :
April 14, 2026, 4:57 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2017-20223
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update the router firmware to the latest version.
- Restrict direct object references.
- Implement robust access control mechanisms.
- Validate all user input parameters.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-20223.
| URL | Resource |
|---|---|
| https://cxsecurity.com/issue/WLB-2017120297 | Issue Tracking |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/136993 | Third Party Advisory |
| https://packetstormsecurity.com/files/145551 | Third Party Advisory |
| https://www.exploit-db.com/exploits/43402/ | Third Party Advisory VDB Entry |
| https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference | Third Party Advisory |
| https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-20223 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-20223
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-20223 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-20223 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 14, 2026
Action Type Old Value New Value Added CPE Configuration AND OR *cpe:2.3:o:telesquare:sdt-cs3b1_firmware:1.2.0:*:*:*:*:*:*:* OR cpe:2.3:h:telesquare:sdt-cs3b1:-:*:*:*:*:*:*:* Added Reference Type VulnCheck: https://cxsecurity.com/issue/WLB-2017120297 Types: Issue Tracking Added Reference Type VulnCheck: https://exchange.xforce.ibmcloud.com/vulnerabilities/136993 Types: Third Party Advisory Added Reference Type VulnCheck: https://packetstormsecurity.com/files/145551 Types: Third Party Advisory Added Reference Type VulnCheck: https://www.exploit-db.com/exploits/43402/ Types: Third Party Advisory, VDB Entry Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference Types: Third Party Advisory Added Reference Type VulnCheck: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php Types: Third Party Advisory -
New CVE Received by [email protected]
Mar. 16, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-639 Added Reference https://cxsecurity.com/issue/WLB-2017120297 Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/136993 Added Reference https://packetstormsecurity.com/files/145551 Added Reference https://www.exploit-db.com/exploits/43402/ Added Reference https://www.vulncheck.com/advisories/telesquare-skt-lte-router-sdt-cs3b1-insecure-direct-object-reference Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2017-5445.php