Critical severity · published Apr 30, 2025
CVE-2025-4120
Netgear JWNR2000v2 sub_4238E8 buffer overflow
9.8
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JW
JWNR2000v2 · Netgear
1.0.0.11 · source: vendor
JF
Jwnr2000v2 Firmware · Netgear
1.0.0.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-4120
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-4120
Broken Link
https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_JWNR2000v2/Buffer_overflow-sub_4238E8-log_type/README.md
Permissions Required
https://vuldb.com/?ctiid.306600
Third Party Advisory
https://vuldb.com/?id.306600
Third Party Advisory
https://vuldb.com/?submit.560774
Product
https://www.netgear.com/
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