CVE-2020-10887
Quick assessment
Affected
TP-Link Archer A7
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
TP-LINK Archer A7 AC1750是中国普联（TP-LINK）公司的一款无线路由器。 TP-LINK Archer A7 AC1750 存在安全漏洞，该漏洞源于程序没有正确过滤IPv6 SSH连接。攻击者可利用该漏洞绕过防火墙。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1556 · Modify Authentication Process
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I. Basic Information for CVE-2020-10887
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows a firewall bypass on affected installations of TP-Link Archer A7 Firmware Ver: 190726 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-9663.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Vulnerability Title
TP-LINK Archer A7 AC1750 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TP-LINK Archer A7 AC1750是中国普联（TP-LINK）公司的一款无线路由器。 TP-LINK Archer A7 AC1750 存在安全漏洞，该漏洞源于程序没有正确过滤IPv6 SSH连接。攻击者可利用该漏洞绕过防火墙。
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
II. Public POCs for CVE-2020-10887
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-10887 (1)
-
https://www.zerodayinitiative.com/advisories/ZDI-20-338/ x_refsource_MISC
Same Patch Batch · TP-Link · 2020-03-25 · 8 CVEs total
| CVE-2020-10881 | TP-Link Archer A7 AC1750 缓冲区错误漏洞 | |
| CVE-2020-10882 | TP-Link Archer A7 AC1750 操作系统命令注入漏洞 | |
| CVE-2020-10883 | TP-Link Archer A7 AC1750 安全漏洞 | |
| CVE-2020-10884 | TP-Link Archer A7 AC1750 信任管理问题漏洞 | |
| CVE-2020-10885 | TP-Link Archer A7 AC1750 输入验证错误漏洞 | |
| CVE-2020-10886 | TP-Link Archer A7 AC1750 操作系统命令注入漏洞 | |
| CVE-2020-10888 | TP-Link Archer A7 AC1750 授权问题漏洞 |
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V. Comments for CVE-2020-10887
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