Improper input validation
in NETGEAR DGN2200v4 (N300 Wireless ADSL2+ Modem Router) allows attackers with
direct network access to the device to potentially execute code on the device.

Please check the firmware version and update to the latest.



Fixed
in:



 DGN2200v4
firmware 1.0.0.132 or later

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0005.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
NETGEAR DGN2200v4 unaffected
Version Status Constraints
0 affected ≤ 1.0.0.126

Configuration 1 [-]

AND
cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:netgear:dgn2200:v4:*:*:*:*:*:*:*

No data.

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Vendors Products
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Dgn2200v4 Subscribe

Project Subscriptions

Vendors Products
Netgear Subscribe
Dgn2200 Subscribe
Dgn2200 Firmware Subscribe
Dgn2200v4 Subscribe
Advisories

No advisories yet.

Fixes

Solution

Please check the firmware version and update to the latest. Fixed in:  DGN2200v4 firmware 1.0.0.132 or later

Workaround

No workaround given by the vendor.

References
Link Providers
https://kb.netgear.com/000070355/NETGEAR-Security-Advisories-November-2025 cve-icon cve-icon
https://www.netgear.com/support/product/dgn2200v4 cve-icon cve-icon
History

Mon, 08 Dec 2025 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Netgear dgn2200
Netgear dgn2200 Firmware
CPEs cpe:2.3:h:netgear:dgn2200:v4:*:*:*:*:*:*:*
cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:*
Vendors & Products Netgear dgn2200
Netgear dgn2200 Firmware
Metrics cvssV3_1

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

Wed, 12 Nov 2025 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Wed, 12 Nov 2025 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Netgear
Netgear dgn2200v4
Vendors & Products Netgear
Netgear dgn2200v4

Tue, 11 Nov 2025 16:45:00 +0000

Type Values Removed Values Added
Description Improper input validation in NETGEAR DGN2200v4 (N300 Wireless ADSL2+ Modem Router) allows attackers with direct network access to the device to potentially execute code on the device. Please check the firmware version and update to the latest. Fixed in:  DGN2200v4 firmware 1.0.0.132 or later
Title Improper input validation in NETGEAR DGN2200v4
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/AU:N/R:A/V:D/RE:L/U:Amber'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: NETGEAR

Published:

Updated: 2025-11-13T04:55:32.716Z

Reserved: 2025-11-10T07:35:39.322Z

Link: CVE-2025-12944

cve-icon Vulnrichment

Updated: 2025-11-12T20:56:58.546Z

cve-icon NVD

Status : Analyzed

Published: 2025-11-11T17:15:39.543

Modified: 2025-12-08T14:33:59.987

Link: CVE-2025-12944

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-11-12T12:40:07Z

Weaknesses