Buffer overflow in Netgear Jwnr2000v2

CVE-2025-4120

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…

Vulnerability class: Buffer Overflow

EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-4120?
CVE-2025-4120 is a high-severity vulnerability in Netgear Jwnr2000v2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-04-30.
How severe is CVE-2025-4120?
High severity. CVSS v3 base score is 8.8 out of 10.