Executive Summary

This vulnerability is a stack-based buffer overflow in the get_merge_ipaddr function of the httpd binary on Linksys E1200 v2 routers. The function concatenates up to four user-supplied CGI parameters into a fixed-size buffer without checking if the combined size exceeds the buffer's capacity. This allows remote attackers to send specially crafted HTTP requests that can overflow the buffer, potentially leading to arbitrary code execution or denial of service, without requiring authentication.

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Impact Analysis

Exploitation of this vulnerability can allow remote attackers to execute arbitrary code on the affected router or cause it to crash, resulting in denial of service. This can compromise the security and availability of the network device and potentially the network it protects.

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