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I. Basic Information for CVE-2021-27245
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
This vulnerability allows a firewall bypass on affected installations of TP-Link Archer A7 prior to Archer C7(US)_V5_210125 and Archer A7(US)_V5_200220 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of IPv6 connections. The issue results from the lack of proper filtering of IPv6 SSH connections. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-12309.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
保护机制失效
Source: NVD (National Vulnerability Database)
Vulnerability Title
TP-Link Archer A7 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tp-link TP-Link Archer A7是中国普联(Tp-link)公司的一款无线路由器。 TP-Link Archer A7 prior to Archer C7(US)_V5_210125 and Archer A7(US)_V5_200220 AC1750 routers 存在安全漏洞,该漏洞源于没有对IPv6 SSH连接进行适当的过滤。攻击者可利用该漏洞可以利用这一点和其他漏洞一起在root上下文中执行代码。
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
TP-LinkArcher A7 prior to Archer C7(US)_V5_210125 and Archer A7(US)_V5_200220 -
II. Public POCs for CVE-2021-27245
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III. Intelligence Information for CVE-2021-27245
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IV. Related Vulnerabilities
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