CVE-2020-10881
Quick assessment
Affected
TP-Link Archer A7
Exploitation
High exploitation probability; assess promptly
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。 使用190726 AC1750版本固件的TP-Link Archer A7中对DNS响应的处理存在缓冲区错误漏洞。远程攻击者可借助特制的DNS消息利用该漏洞执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-10881
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows remote attackers to execute arbitrary code 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 DNS responses. A crafted DNS message can trigger an overflow of a fixed-length, stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the root user. Was ZDI-CAN-9660.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TP-Link Archer A7 AC1750 缓冲区错误漏洞
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。 使用190726 AC1750版本固件的TP-Link Archer A7中对DNS响应的处理存在缓冲区错误漏洞。远程攻击者可借助特制的DNS消息利用该漏洞执行任意代码。
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
II. Public POCs for CVE-2020-10881
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Vendor Advisories for CVE-2020-10881 (1)
-
https://www.zerodayinitiative.com/advisories/ZDI-20-333/ x_refsource_MISC
Same Patch Batch · TP-Link · 2020-03-25 · 8 CVEs total
| 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-2020-10887 | TP-LINK Archer A7 AC1750 安全漏洞 | |
| CVE-2020-10888 | TP-Link Archer A7 AC1750 授权问题漏洞 |
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V. Comments for CVE-2020-10881
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