CVE-2025-4140: Netgear EX6120 sub_30394 buffer overflow
Published Apr 30, 2025
·Updated
A vulnerability, which was classified as critical, has been found in Netgear EX6120 1.0.3.94. Affected by this issue is the function sub30394. The manipulation of the argument host leads to buffer overflow. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
3 affected components
Netgear EX6120
All of the following
Netgear Ex6120 Firmware=1.0.3.94
Netgear EX6120
Event History
Apr 30, 2025
CVE Published
via MITRE·09:31 PM
Data Sourced
via MITRE·09:31 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2025-4140?
CVE-2025-4140 is classified as a critical vulnerability.
2
What type of vulnerability is CVE-2025-4140?
CVE-2025-4140 is a buffer overflow vulnerability.
3
How can CVE-2025-4140 be exploited?
CVE-2025-4140 can be exploited remotely through the manipulation of the function argument host.
4
Which product is affected by CVE-2025-4140?
CVE-2025-4140 affects the Netgear EX6120 with version 1.0.3.94.
5
How do I fix CVE-2025-4140?
To fix CVE-2025-4140, apply the latest firmware update provided by Netgear for the EX6120.