Netgear DGN2200v4 up to 1.0.0.126 input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as very critical has been discovered in Netgear DGN2200v4 up to 1.0.0.126. Affected by this vulnerability is an unknown functionality. Such manipulation leads to input validation. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is uniquely identified as CVE-2025-12944. The attack can only be initiated within the local network. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Netgear DGN2200v4 up to 1.0.0.126. It has been rated as very critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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

The weakness was disclosed by crixer. The advisory is shared for download at netgear.com. This vulnerability is handled as CVE-2025-12944 since 11/10/2025. The exploitation is known to be easy. The attack can only be done within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/08/2025).

Upgrading to version 1.0.0.132 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: DGN2200v4 1.0.0.132

Timelineinfo

11/10/2025 CVE reserved
11/11/2025 +1 days Advisory disclosed
11/11/2025 +0 days VulDB entry created
12/08/2025 +27 days VulDB entry last update

Sourcesinfo

Vendor: netgear.com

Advisory: netgear.com
Researcher: crixer
Status: Confirmed

CVE: CVE-2025-12944 (🔒)
GCVE (CVE): GCVE-0-2025-12944
GCVE (VulDB): GCVE-100-331892

Entryinfo

Created: 11/11/2025 18:48
Updated: 12/08/2025 15:40
Changes: 11/11/2025 18:48 (73), 11/11/2025 21:47 (1), 12/08/2025 15:40 (10)
Complete: 🔍
Cache ID: 216::103

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