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CVE-2023-51631— D-Link DIR-X3260 prog.cgi SetUsersSettings Stack-based Buffer Overflow Remote Code Execution Vulnerability

Quick assessment

Affected
D-Link DIR-X3260
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-X3260是中国友讯（D-Link）公司的一款Wi-Fi 6路由器 D-Link DIR-X3260 存在安全漏洞，该漏洞源于 prog.cgi SetUsersSettings 基于堆栈的缓冲区溢出远程代码执行漏洞。

AI Predicted 8.1 Difficulty: Hard EPSS 1.02% · P62
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I. Basic Information for CVE-2023-51631

Vulnerability Information
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Vulnerability Title
D-Link DIR-X3260 prog.cgi SetUsersSettings Stack-based Buffer Overflow Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
D-Link DIR-X3260 prog.cgi SetUsersSettings Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-X3260 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21675.
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-X3260 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-X3260是中国友讯（D-Link）公司的一款Wi-Fi 6路由器 D-Link DIR-X3260 存在安全漏洞，该漏洞源于 prog.cgi SetUsersSettings 基于堆栈的缓冲区溢出远程代码执行漏洞。
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-X3260 1.04B01 -

II. Public POCs for CVE-2023-51631

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III. Intelligence Information for CVE-2023-51631

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Vendor Advisories for CVE-2023-51631 (1)

Other References for CVE-2023-51631 (1)

IV. Related Vulnerabilities

Same product: DIR-X3260
Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2023-51631

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