Is CVE-2025-4142 actively exploited?

No active exploitation of CVE-2025-4142 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-4142 be exploited remotely?

Yes. CVE-2025-4142 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-4142?

CVE-2025-4142 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-4142

CWE-119Published: April 30, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability has been found in Netgear EX6200 1.0.3.94 and classified as critical. This vulnerability affects the function sub_3C8EC. The manipulation of the argument host leads to buffer overflow. The attack can be initiated remotely. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2025-4142 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.