CVE-2025-4120highCWE-119CWE-120

CVE-2025-4120: high-severity vulnerability in Netgear JWNR2000v2

Netgear JWNR2000v2 sub_4238E8 buffer overflow

Published

Follow this CVE+ Monitor JWNR2000v2

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.7epss 1.0%
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.
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
Affected products
Netgear · JWNR2000v2
Related CVEs — Netgear JWNR2000v2

In the same product, most dangerous first.

CVE-2025-4121MEDIUMNetgear JWNR2000v2 cmd_wireless command injectionEPSS 2.9%CVE-2025-4122MEDIUMNetgear JWNR2000v2 sub_435E04 command injectionEPSS 2.7%CVE-2025-4114HIGHNetgear JWNR2000v2 check_language_file buffer overflowEPSS 1.1%CVE-2025-4116HIGHNetgear JWNR2000v2 get_cur_lang_ver buffer overflowEPSS 1.0%CVE-2025-4115HIGHNetgear JWNR2000v2 default_version_is_new buffer overflowEPSS 1.0%CVE-2025-4117MEDIUMNetgear JWNR2000v2 sub_41A914 buffer overflowEPSS 0.6%