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CVE-2024-6143— Actiontec WCB6200Q uh_tcp_recv_header Buffer Overflow Remote Code Execution Vulnerability

Quick assessment

Affected
Actiontec WCB6200Q
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.

Actiontec Electronics WEB6000Q是美国Actiontec Electronics公司的一款无线扩展器。 Actiontec Electronics WEB6000Q 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缓冲区之前缺乏对其长度的正确验证。攻击者利用该漏洞在 HTTP 服务器环境中执行代码。

AI Predicted 9.8 Difficulty: Easy EPSS 1.12% · P66
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I. Basic Information for CVE-2024-6143

Vulnerability Information
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Vulnerability Title
Actiontec WCB6200Q uh_tcp_recv_header Buffer Overflow Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Actiontec WCB6200Q uh_tcp_recv_header Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Actiontec WCB6200Q routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the HTTP server. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the HTTP server. Was ZDI-CAN-21414.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
Actiontec Electronics WEB6000Q 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Actiontec Electronics WEB6000Q是美国Actiontec Electronics公司的一款无线扩展器。 Actiontec Electronics WEB6000Q 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缓冲区之前缺乏对其长度的正确验证。攻击者利用该漏洞在 HTTP 服务器环境中执行代码。
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
Actiontec WCB6200Q 1.2L.03.5 -

II. Public POCs for CVE-2024-6143

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III. Intelligence Information for CVE-2024-6143

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Vendor Advisories for CVE-2024-6143 (1)

Same Patch Batch · Actiontec · 2024-06-18 · 5 CVEs total

CVE-2024-6146 Actiontec WCB6200Q uh_get_postdata_withupload Stack-based Buffer Overflow Remote Code Exec
CVE-2024-6142 Actiontec WCB6200Q uh_tcp_recv_content Buffer Overflow Remote Code Execution Vulnerability
CVE-2024-6145 Actiontec WCB6200Q Cookie Format String Remote Code Execution Vulnerability
CVE-2024-6144 Actiontec WCB6200Q Multipart Boundary Stack-based Buffer Overflow Remote Code Execution Vu

IV. Related Vulnerabilities

Same product: WCB6200Q
Same vendor: Actiontec
Same weakness: CWE-120