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CVE-2022-40717

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 D-Link DIR-2150 4.0.1版本存在安全漏洞，该漏洞源于在将用户提供的数据复制到固定长度的基于堆栈的缓冲区之前，没有对用户提供的数据的长度进行适当的验证。攻击者利用该漏洞可以在root环境中执行代码。

AI Predicted 9.8 Difficulty: Easy EPSS 0.62% · P47

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-40717

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 code on affected D-Link DIR-2150 4.0.1 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the anweb service, which listens on TCP ports 80 and 443 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15727.
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
D-Link DIR-2150 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-2150是中国友讯（D-Link）公司的 D-Link DIR-2150 4.0.1版本存在安全漏洞，该漏洞源于在将用户提供的数据复制到固定长度的基于堆栈的缓冲区之前，没有对用户提供的数据的长度进行适当的验证。攻击者利用该漏洞可以在root环境中执行代码。
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

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-2150 4.0.1 -

II. Public POCs for CVE-2022-40717

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III. Intelligence Information for CVE-2022-40717

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Vendor Advisories for CVE-2022-40717 (1)

Other References for CVE-2022-40717 (1)

Same Patch Batch · D-Link · 2023-01-26 · 5 CVEs total

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-2022-40720 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

IV. Related Vulnerabilities

Same product: DIR-2150
Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2022-40717

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