Router

NETGEAR DGND3700

Contribute

Projects for this device

Replacement firmware

Replace router software with a customizable system for network controls and community packages.

How to get started

Follow the guide for your exact router version. The first installation may use its web interface, recovery mode or a serial connection.

Setup
Firmware replacement; route varies by router
You’ll need
Exact hardware revision, an appropriate OpenWrt release and its model-specific installation guide.
v1 · Broadcom BCM43222 Wi-Fi
Processor: Broadcom BCM6368 · Memory: 128 MBOpen device guide Release listed · 25.12.5
v2 · Broadcom BCM43228 (mini-PCIe) / Broadcom BCM435f Wi-Fi
Processor: Broadcom BCM6362 · Memory: 64 MB · Wi-Fi chip: Broadcom BCM43228 (mini-PCIe)Get OpenWrt firmware Release listed · 25.12.6
v2
Get firmware Release listed · 25.12.5
v1
Get firmware Release listed · 25.12.5
v1 · Broadcom BCM6368; v1 · Broadcom BCM43222 Wi-Fi
Open hardware record Release listed · 25.12.5
v2; v2 · Broadcom BCM43228 Wi-Fi
Open hardware record Release listed · 25.12.5

v1 · Broadcom BCM43222 Wi-Fi

Limitations
DSL modem WiFi 2.4GHz partly
First installation
GUI OEM; CFE TFTP recovery
Limitations
DSL modem
Limitations
WiFi 2.4GHz partly

v2 · Broadcom BCM43228 (mini-PCIe) / Broadcom BCM435f Wi-Fi

Limitations
DSL modem WiFi 2.4GHz WiFi 5GHz partly
First installation
CFE web recovery
Limitations
DSL modem
Limitations
WiFi 2.4GHz
Limitations
WiFi 5GHz partly
Sources

Features & details

Check the project and hardware shown for each feature.

Device details

netgear dgnd3700 v1 — device documentation (github.com)Netgear DGND3700v1 — TechInfoDepot (github.com)Netgear DGND3700v1 — WikiDevi (github.com)

Hardware revision
v1

Device details

netgear dgnd3700 v2 — device documentation (github.com)Netgear DGND3700v2 — TechInfoDepot (github.com)Netgear DGND3700v2 — WikiDevi (github.com)

Hardware revision
v2

Device details

Device details — Source documentation (openwrt.org)

Hardware revision
v1

OpenWrt · v1 · Broadcom BCM43222 Wi-Fi

OpenWrt · v1 · Broadcom BCM43222 Wi-Fi — Source documentation (openwrt.org)

Installation routes recorded
GUI OEM, CFE TFTP recovery
Recovery routes recorded
CFE TFTP recovery
Availability recorded by source
Discontinued

Device details

Device details — v2 — Source documentation (openwrt.org)

Hardware revision
v2

OpenWrt · v2 · Broadcom BCM43228 (mini-PCIe) / Broadcom BCM435f Wi-Fi

OpenWrt · v2 · Broadcom BCM43228 (mini-PCIe) / Broadcom BCM435f Wi-Fi — v2 — Source documentation (openwrt.org)

Installation routes recorded
CFE web recovery
Recovery routes recorded
CFE web recovery
Availability recorded by source
Discontinued

Hardware differences

Security

Saved scan

From our saved security research.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

CVSS 9.3 (v4.0)

DGND3700

Netgear DGND3700 Basic Authentication BRS_top.html improper authentication

CVE-2025-4978

Affected firmware
1.1.00.15_1.00.15NA
Fix
Fix details in the linked record
Read VulDB CVE record
Details and sources

A vulnerability, which was classified as very critical, was found in Netgear DGND3700 1.1.00.15_1.00.15NA. This affects an unknown part of the file /BRS_top.html of the component Basic Authentication. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Other products might be affected as well. The vendor was contacted early about this disclosure.

VDB-309639 | Netgear DGND3700 Basic Authentication BRS_top.html improper authentication — DGND3700 (vuldb.com) ↗VDB-309639 | CTI Indicators (IOB, IOC, IOA) — DGND3700 (vuldb.com) ↗Submit #564712 | Netgear DGND3700v2 V1.1.00.15_1.00.15NA Backdoor — DGND3700 (vuldb.com) ↗

CVSS 6.9 (v4.0)

DGND3700

Netgear DGND3700 mini_http currentsetting.htm information disclosure

CVE-2025-4980

Affected firmware
1.1.00.15_1.00.15NA
Fix
Fix details in the linked record
Read VulDB CVE record
Details and sources

A vulnerability has been found in Netgear DGND3700 1.1.00.15_1.00.15NA and classified as problematic. This vulnerability affects unknown code of the file /currentsetting.htm of the component mini_http. The manipulation leads to information disclosure. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Other products might be affected as well. The vendor was contacted early about this disclosure.

VDB-309640 | Netgear DGND3700 mini_http currentsetting.htm information disclosure — DGND3700 (vuldb.com) ↗VDB-309640 | CTI Indicators (IOB, IOC, TTP, IOA) — DGND3700 (vuldb.com) ↗Submit #564714 | Netgear DGND3700v2 V1.1.00.15_1.00.15NA Exposure of Sensitive System Information to an Unauthorized Cont — DGND3700 (vuldb.com) ↗

CVSS 6.9 (v4.0)

DGND3700

Netgear DGND3700 BRS_top.html information disclosure

CVE-2025-4977

Affected firmware
1.1.00.15_1.00.15NA
Fix
Fix details in the linked record
Read VulDB CVE record
Details and sources

A vulnerability, which was classified as problematic, has been found in Netgear DGND3700 1.1.00.15_1.00.15NA. Affected by this issue is some unknown functionality of the file /BRS_top.html. The manipulation leads to information disclosure. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Other products might be affected as well. The vendor was contacted early about this disclosure.

VDB-309638 | Netgear DGND3700 BRS_top.html information disclosure — DGND3700 (vuldb.com) ↗VDB-309638 | CTI Indicators (IOB, IOC, TTP, IOA) — DGND3700 (vuldb.com) ↗Submit #564711 | Netgear DGND3700v2 V1.1.00.15_1.00.15NA Exposure of Sensitive System Information to an Unauthorized Cont — DGND3700 (vuldb.com) ↗

CVSS 6.3 (v4.0)

DGND3700v1

Insufficient input validation vulnerability in NETGEAR DGND3700v1 modem router

CVE-2026-15757

Affected firmware
Through V1.0.0.17
Fix
NETGEAR DGND3700v1 has reached End-of-Support phase, and no further security updates are planned. NETGEAR strongly recommends replacing these devices with newer NETGEAR models to ensure continued security support and updates.
Read NETGEAR CVE record
Details and sources

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.

NETGEAR DGND3700

Certain NETGEAR devices allow unauthenticated access to critical .cgi and .htm pages via a substring ending with .jpg, such as by appending ?x=1.jpg to a URL

CVE-2019-17373

Affected firmware
Version scope unspecified in source
Fix
Fix details in the linked record
Read mitre CVE record
Details and sources

Certain NETGEAR devices allow unauthenticated access to critical .cgi and .htm pages via a substring ending with .jpg, such as by appending ?x=1.jpg to a URL. This affects MBR1515, MBR1516, DGN2200, DGN2200M, DGND3700, WNR2000v2, WNDR3300, WNDR3400, WNR3500, and WNR834Bv2.

Check more security advisories for this device · CVE.org