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CVE-2022-24355

Quick assessment

Affected
TP-Link TL-WR940N
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 TP-Link TL-WR940N是中国普联（Tp-link）公司的一款无线路由器。 TP-Link TL-WR940N 存在缓冲区错误漏洞，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缺乏对长度的正确验证。攻击者可以利用此漏洞在 root 上下文中执行代码。

AI Predicted 9.8 Difficulty: Easy EPSS 2.06% · P81

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-24355

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 installations of TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of file name extensions. 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-13910.
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 TP-Link TL-WR940N 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tp-link TP-Link TL-WR940N是中国普联（Tp-link）公司的一款无线路由器。 TP-Link TL-WR940N 存在缓冲区错误漏洞，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缺乏对长度的正确验证。攻击者可以利用此漏洞在 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

Vendor Product Affected Versions CPE Subscribe
TP-Link TL-WR940N 3.20.1 Build 200316 Rel.34392n (5553) -

II. Public POCs for CVE-2022-24355

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III. Intelligence Information for CVE-2022-24355

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IV. Related Vulnerabilities

Same product: TL-WR940N
Same vendor: TP-Link
Same weakness: CWE-121

V. Comments for CVE-2022-24355

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