CVE-2025-4140

A vulnerability, which was classified as critical, has been found in Netgear EX6120 1.0.3.94. Affected by this issue is the function sub_30394. 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.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

V3 Legend

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

V2 Legend

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_ex6200/Buffer_overflow-sub_30394-wifi_2g_onoff_sche/README.md	Exploit
https://vuldb.com/?ctiid.306632	Permissions Required VDB Entry
https://vuldb.com/?id.306632	Third Party Advisory VDB Entry
https://vuldb.com/?submit.560788	Third Party Advisory VDB Entry
https://www.netgear.com/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:netgear:ex6120_firmware:1.0.3.94:*:*:*:*:*:*:*

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

History

12 May 2025, 19:40

Type	Values Removed	Values Added
CPE		cpe:2.3:h:netgear:ex6120:-:::::::* cpe:2.3:o:netgear:ex6120_firmware:1.0.3.94:::::::*
First Time		Netgear ex6120 Firmware Netgear Netgear ex6120
References	~~() https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6200/Buffer_overflow-sub_30394-wifi_2g_onoff_sche/README.md -~~	() https://github.com/jylsec/vuldb/blob/main/Netgear/netgear_ex6200/Buffer_overflow-sub_30394-wifi_2g_onoff_sche/README.md - Exploit
References	~~() https://vuldb.com/?ctiid.306632 -~~	() https://vuldb.com/?ctiid.306632 - Permissions Required, VDB Entry
References	~~() https://vuldb.com/?id.306632 -~~	() https://vuldb.com/?id.306632 - Third Party Advisory, VDB Entry
References	~~() https://vuldb.com/?submit.560788 -~~	() https://vuldb.com/?submit.560788 - Third Party Advisory, VDB Entry
References	~~() https://www.netgear.com/ -~~	() https://www.netgear.com/ - Product

02 May 2025, 13:53

Type	Values Removed	Values Added
Summary		(es) Se ha detectado una vulnerabilidad clasificada como crítica en Netgear EX6120 1.0.3.94. La función sub_30394 se ve afectada por este problema. La manipulación del argumento host provoca un desbordamiento del búfer. El ataque puede ejecutarse remotamente. Se contactó al proveedor con antelación para informarle sobre esta vulnerabilidad, pero no respondió.

30 Apr 2025, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-04-30 22:15

Updated : 2025-05-12 19:40

NVD link : CVE-2025-4140

Mitre link : CVE-2025-4140

CVE.ORG link : CVE-2025-4140

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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8.8 /10