CVE-2022-40720
Quick assessment
Affected
D-Link DIR-2150
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.
D-Link DIR-2150是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-2150 4.0.1版本存在安全漏洞，该漏洞源于在使用用户提供的字符串执行系统调用之前未对其进行适当验证，攻击者利用该漏洞可以在路由器的上下文中执行代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-40720
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary commands on affected installations of D-Link DIR-2150 4.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Dreambox plugin for the xupnpd service, which listens on TCP port 4044 by default. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the router. Was ZDI-CAN-15935.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-2150 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-2150是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-2150 4.0.1版本存在安全漏洞，该漏洞源于在使用用户提供的字符串执行系统调用之前未对其进行适当验证，攻击者利用该漏洞可以在路由器的上下文中执行代码。
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
II. Public POCs for CVE-2022-40720
| # | POC Description | Source Link | Shenlong Link |
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Other References for CVE-2022-40720 (1)
Same Patch Batch · D-Link · 2023-01-26 · 5 CVEs total
| CVE-2022-40717 | D-Link DIR-2150 缓冲区错误漏洞 | |
| CVE-2022-40718 | D-Link DIR-2150 缓冲区错误漏洞 | |
| CVE-2022-40719 | D-Link DIR-2150 操作系统命令注入漏洞 | |
| CVE-2022-41140 | D-Link 多款路由器缓冲区错误漏洞 |
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V. Comments for CVE-2022-40720
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