CVE-2025-4139: Netgear EX6120 fwAcosCgiInbound buffer overflow

Published Apr 30, 2025
·
Updated

A vulnerability classified as critical was found in Netgear EX6120 1.0.0.68. Affected by this vulnerability is the function fwAcosCgiInbound. The manipulation of the argument host leads to buffer overflow. The attack can 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=1.0.0.68
Netgear EX6120

Event History

Apr 30, 2025
CVE Published
via MITRE·08:31 PM
Data Sourced
via MITRE·08:31 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-4139?

CVE-2025-4139 is classified as a critical vulnerability.

2

What is CVE-2025-4139 related to?

CVE-2025-4139 is related to a buffer overflow vulnerability in the fwAcosCgiInbound function of the Netgear EX6120.

3

How does CVE-2025-4139 affect the Netgear EX6120?

CVE-2025-4139 allows remote attackers to exploit a buffer overflow via manipulation of the host argument.

4

Can CVE-2025-4139 be exploited remotely?

Yes, CVE-2025-4139 can be exploited remotely by attackers.

5

How do I fix CVE-2025-4139?

To fix CVE-2025-4139, you should update the firmware of the Netgear EX6120 to the latest version provided by the vendor.

Contact

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