CVE-2025-4140

Netgear EX6120 sub_30394 buffer overflow

Published Apr 30, 2025 CVSS 4.0 · 8.7 High EPSS 1.2% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-12793 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.
History
Type Values Removed Values Added
First Time appeared Netgear
Netgear ex6120
Netgear ex6120 Firmware
CPEs cpe:2.3:h:netgear:ex6120:-:*:*:*:*:*:*:*
cpe:2.3:o:netgear:ex6120_firmware:1.0.3.94:*:*:*:*:*:*:*
Vendors & Products Netgear
Netgear ex6120
Netgear ex6120 Firmware
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Netgear EX6120 sub_30394 buffer overflow
Weaknesses CWE-119
CWE-120
References
Metrics cvssV2_0

{'score': 9, 'vector': 'AV:N/AC:L/Au:S/C:C/I:C/A:C'}

cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulDB
Published
Updated
May 2, 2025, 4:50 PM
Reserved
Apr 30, 2025, 2:07 PM
Status
Analyzed
Published
Apr 30, 2025, 10:15 PM
Modified
Jun 17, 2026, 9:32 AM