Description

KZTech JT3500V 4G LTE CPE 2.0.1 contains a session management vulnerability that allows attackers to reuse old session credentials without proper expiration. Attackers can exploit the weak session handling to maintain unauthorized access and potentially compromise device authentication mechanisms.

INFO

Published Date :

2025-12-31T18:40:53.590Z

Last Modified :

2026-01-02T20:42:41.864Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2021-47740 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47740.

URL Resource
http://www.kzbtech.com/ cve-icon cve-icon
https://exchange.xforce.ibmcloud.com/vulnerabilities/198471 cve-icon cve-icon
https://neotel.mk/ cve-icon cve-icon
https://packetstormsecurity.com/files/161892/ cve-icon cve-icon
https://www.jatontech.com/ cve-icon cve-icon
https://www.vulncheck.com/advisories/kztech-jtv-g-lte-cpe-insufficient-session-expiration-vulnerability cve-icon cve-icon
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5646.php cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact