CVE-2025-4139 - CVE House
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Status published High CVE-2025-4139

Netgear EX6120 fwAcosCgiInbound buffer overflow

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • 54357 (VulDB User)

References

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Affected Vendor

Affected Software

EX6120
Vulnerable Versions:
1.0.0.68

Timeline

Official Publish: April 30th, 2025
Last Modified: April 30th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-120 CWE-119

MITRE ATT&CK TTPs

T1203 Exploitation for Client Execution
Execution
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control