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I. Basic Information for CVE-2021-47740
Vulnerability Information
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Vulnerability Title
KZTech JT3500V 4G LTE CPE 2.0.1 Insufficient Session Expiration Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的会话过期机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
KZTech JT3500V 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KZTech JT3500V是美国KZTech公司的一款无线宽带路由器。 KZTech JT3500V存在代码问题漏洞，该漏洞源于会话管理不当，可能导致攻击者重用旧会话凭据。
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
VendorProductAffected VersionsCPESubscribe
KZ Broadband Technologies, Ltd.JT3500V 2.0.1B1064 -
KZ Broadband Technologies, Ltd.AM6200M 2.0.0B3210 -
KZ Broadband Technologies, Ltd.AM6000N 2.0.0B3042 -
KZ Broadband Technologies, Ltd.AM5000W 2.0.0B3037 -
KZ Broadband Technologies, Ltd.AM4200M 2.0.0B2996 -
KZ Broadband Technologies, Ltd.AM4100V 2.0.0B2988 -
KZ Broadband Technologies, Ltd.AM3500MW 2.0.0B1092 -
KZ Broadband Technologies, Ltd.AM3410V 2.0.0B1085 -
KZ Broadband Technologies, Ltd.AM3300V 2.0.0B1060 -
KZ Broadband Technologies, Ltd.AM3100E 2.0.0B981 -
KZ Broadband Technologies, Ltd.AM3100V 2.0.0B946 -
KZ Broadband Technologies, Ltd.AM3000M 2.0.0B21 -
KZ Broadband Technologies, Ltd.KZ7621U 2.0.0B14 -
KZ Broadband Technologies, Ltd.KZ3220M 2.0.0B04 -
KZ Broadband Technologies, Ltd.KZ3120R 2.0.0B01 -
II. Public POCs for CVE-2021-47740
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III. Intelligence Information for CVE-2021-47740
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IV. Related Vulnerabilities
Same weakness: CWE-613
V. Comments for CVE-2021-47740

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