Buffer Overflow Vulnerability in Netgear JWNR2000v2 Router

CVE-2025-4120

What is CVE-2025-4120?

A buffer overflow vulnerability has been identified in the Netgear JWNR2000v2 router, specifically affecting the sub_4238E8 function. This security flaw allows an attacker to manipulate the argument host, potentially enabling remote exploitation. Such vulnerabilities can lead to unauthorized access and compromise network integrity. Despite early disclosure attempts to the vendor, no response was received.

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