CVE-2025-4120CRITICAL 9.8EPSS p51.1%

CVE-2025-4120CVE-2025-4120

Description

A vulnerability was found in Netgear JWNR2000v2 1.0.0.11. It has been classified as critical. Affected is the function sub_4238E8. The manipulation of the argument host leads to buffer overflow. It is possible to launch the attack 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
EPSS0.78% probability of exploitation · percentile 51.1% · 2026-06-19T12:03:05Z
Published2025-04-30
Last modified2025-05-13

Underlying weaknesses· 2

CWE-119CWE-120

References

  1. https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_JWNR2000v2/Buffer_overflow-sub_4238E8-log_type/README.md
  2. https://vuldb.com/?ctiid.306600
  3. https://vuldb.com/?id.306600
  4. https://vuldb.com/?submit.560774
  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.