D-Link DIR-3040 prog.cgi SetIPv6PppoeSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability

CVE-2023-41225

Summary

A vulnerability exists in the prog.cgi binary of D-Link DIR-3040 routers, which processes HNAP requests on the lighttpd web server. This vulnerability stems from inadequate validation of user input, allowing an attacker with network access to exploit it by executing arbitrary code in the context of the root user. Exploitation requires authentication, making it essential for users to assess their router's exposure and implement necessary security measures.

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