CVE-2026-15757

Insufficient input validation vulnerability in NETGEAR DGND3700v1 modem router

State: Published
Severity: 6.3 Medium
Published: Jul 14, 2026
Updated: Jul 15, 2026
Reserved: Jul 14, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber	NETGEAR

Weaknesses

CWE-20 Improper input validation

Affected Products

Product	Versions
DGND3700v1NETGEAR	V1.0.0.17 and earlierAffected

References

https://www.netgear.com/support/product/dgnd3700v1patchproduct
https://kb.netgear.com/000070859/July-2026-NETGEAR-Security-Advisoryvendor-advisory

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.