Is CVE-2025-4121 actively exploited?

No active exploitation of CVE-2025-4121 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2025-4121 be exploited remotely?

Yes. CVE-2025-4121 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2025-4121?

CVE-2025-4121 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2025-4121

CWE-74Published: April 30, 2025· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in Netgear JWNR2000v2 1.0.0.11. It has been declared as critical. Affected by this vulnerability is the function cmd_wireless. The manipulation of the argument host leads to command injection. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2025-4121 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.