CVE-2025-4120

Name: CVE-2025-4120
Creator: NVD / NIST
Published: 2025-04-30T14:15:31.2+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2025-4120 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. A vulnerability was found in Netgear JWNR2000v2 1.0.0.11. It has been classified as critical. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.78%

51.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Netgear	Jwnr2000v2 Firmware	1.0.0.11

References

https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_JWNR2000v2/Buffer_overflow-sub_4238E8-log_type/README.mdBroken Link
https://vuldb.com/?ctiid.306600Permissions Required, VDB Entry
https://vuldb.com/?id.306600Third Party Advisory, VDB Entry
https://vuldb.com/?submit.560774Third Party Advisory, VDB Entry
https://www.netgear.com/Product

Timeline

Published: Apr 30, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-4120?

How severe is CVE-2025-4120?

CVE-2025-4120 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4120?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-4120?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST