CVE-2026-15757: Insufficient input validation vulnerability in NETGEAR DGND3700v1 modem router

Published Jul 14, 2026
·
Updated

A security flaw was discovered in the NETGEAR DGND3700v1 that could allow someone on the same local WiFi network to send unauthorized commands to the device.

This issue was identified through testing in a controlled research environment using a simulated version of the router's software and has not been confirmed on physical production devices.

Affected Software

1 affected component
Netgear DGND3700v1 modem router=v1

Event History

Jul 14, 2026
CVE Published
via MITRE·05:46 PM
Data Sourced
via MITRE·05:46 PM
RemedyDescriptionWeakness
Data Sourced
via NVD·06:17 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-15757?

The severity of CVE-2026-15757 is classified as medium with a CVSS score of 6.3.

2

How do I fix CVE-2026-15757?

To fix CVE-2026-15757, it is recommended to update the firmware of your NETGEAR DGND3700v1 modem router to the latest version.

3

Can CVE-2026-15757 be exploited remotely?

CVE-2026-15757 requires access to the same local WiFi network to exploit the insufficient input validation vulnerability.

4

What device is affected by CVE-2026-15757?

CVE-2026-15757 affects the NETGEAR DGND3700v1 modem router.

5

What type of vulnerability is CVE-2026-15757?

CVE-2026-15757 is categorized as an insufficient input validation vulnerability.

Contact

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