CVE-2025-4139

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.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6120/Buffer_overflow-fwAcosCgiInbound-port_end/README.md	Broken Link
https://vuldb.com/?ctiid.306631	Permissions Required VDB Entry
https://vuldb.com/?id.306631	Third Party Advisory VDB Entry
https://vuldb.com/?submit.560785	Third Party Advisory VDB Entry
https://www.netgear.com/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:ex6120_firmware:1.0.0.68:*:*:*:*:*:*:*

cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*

History

23 Jun 2025, 15:13

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-30 21:15

Updated : 2025-06-23 15:13

NVD link : CVE-2025-4139

Mitre link : CVE-2025-4139

CVE.ORG link : CVE-2025-4139

JSON object : View

Products Affected

netgear

ex6120
ex6120_firmware

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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