CVE-2025-4140CRITICAL 9.8EPSS p55.6%

CVE-2025-4140CVE-2025-4140

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.92% probability of exploitation · percentile 55.6% · 2026-06-19T12:03:05Z
Published2025-04-30
Last modified2025-05-12

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6200/Buffer_overflow-sub_30394-wifi_2g_onoff_sche/README.md
  2. https://vuldb.com/?ctiid.306632
  3. https://vuldb.com/?id.306632
  4. https://vuldb.com/?submit.560788
  5. https://www.netgear.com/

2

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessBuffer Copy without Checking Size of Input ('Classic Buffer Overflow')cwe-1200%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.