CRITICAL

CVE-2025-4140

CVSS v3

9.8

CRITICAL

EPSS Score

1.2 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2025-4140 yet.

Full record on NVD

Description

A vulnerability, which was classified as critical, has been found in Netgear EX6120 1.0.3.94. Affected by this issue is the function sub_30394. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Technical details

Published: 2025-04-30

Frequently asked questions

What is CVE-2025-4140?

Is CVE-2025-4140 actively exploited?

Active exploitation of CVE-2025-4140 has not been confirmed. Its EPSS score was 1.2% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-4140?

CVE-2025-4140 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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