Deviceways

Router

NETGEAR WNDR3400

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 BCM43224 Wi-Fi
Processor: Broadcom BCM4718A1Open hardware record
v2 · Broadcom BCM43236 Wi-Fi
Processor: Broadcom BCM5358UB0Open hardware record
v3 · Broadcom BCM43236B Wi-Fi
Processor: Broadcom BCM5358UB0Open hardware record
v1 · Broadcom BCM43224 / Broadcom BCM4718 Wi-Fi
Get OpenWrt firmware Release listed · 25.12.6
v2 · Broadcom BCM43236 / Broadcom BCM5358UB0 Wi-Fi
Get OpenWrt firmware Release listed · 25.12.6
v3 · Broadcom BCM43236KMLG / Broadcom BCM5358 Wi-Fi
Get OpenWrt firmware Release listed · 25.12.6
v1 · Broadcom BCM4718
Open hardware record
v2 · Broadcom BCM5357
Open hardware record
v3
Open hardware record
Original project github.com

v1 · Broadcom BCM43224 / Broadcom BCM4718 Wi-Fi

First installation
TFTP generic; GUI OEM

v2 · Broadcom BCM43236 / Broadcom BCM5358UB0 Wi-Fi

Limitations
WiFi 2.4GHz WiFi 5GHz
First installation
TFTP generic; GUI OEM
Limitations
WiFi 2.4GHz
Limitations
WiFi 5GHz

v3 · Broadcom BCM43236KMLG / Broadcom BCM5358 Wi-Fi

Limitations
WiFi 2.4GHz WiFi 5GHz USB
First installation
TFTP generic; GUI OEM
Limitations
WiFi 2.4GHz
Limitations
WiFi 5GHz
Limitations
USB
Sources

Features & details

Check the project and hardware shown for each feature.

Device details

netgear wndr3400 v1 — device documentation (github.com)Netgear WNDR3400v1 — WikiDevi (github.com)Device details — Source documentation (openwrt.org)

Hardware revision
v1

Device details

netgear wndr3400 v2 — device documentation (github.com)Netgear WNDR3400v2 — WikiDevi (github.com)Device details — Source documentation (openwrt.org)

Hardware revision
v2

Device details

netgear wndr3400 v3 — device documentation (github.com)Netgear WNDR3400v3 — WikiDevi (github.com)Device details — Source documentation (openwrt.org)

Hardware revision
v3

Device details

Netgear WNDR3400v1 — TechInfoDepot (github.com)

Hardware revision
v1

Device details

Netgear WNDR3400v2 — TechInfoDepot (github.com)

Hardware revision
v2

Device details

Netgear WNDR3400v3 — TechInfoDepot (github.com)

Hardware revision
v3

OpenWrt · v1 · Broadcom BCM43224 / Broadcom BCM4718 Wi-Fi

OpenWrt · v1 · Broadcom BCM43224 / Broadcom BCM4718 Wi-Fi — Source documentation (openwrt.org)

Installation routes recorded
TFTP generic, GUI OEM
Availability recorded by source
Discontinued

OpenWrt · v2 · Broadcom BCM43236 / Broadcom BCM5358UB0 Wi-Fi

OpenWrt · v2 · Broadcom BCM43236 / Broadcom BCM5358UB0 Wi-Fi — Source documentation (openwrt.org)

Installation routes recorded
TFTP generic, GUI OEM
Recovery routes recorded
TFTP generic
Availability recorded by source
Discontinued 2017

OpenWrt · v3 · Broadcom BCM43236KMLG / Broadcom BCM5358 Wi-Fi

OpenWrt · v3 · Broadcom BCM43236KMLG / Broadcom BCM5358 Wi-Fi — Source documentation (openwrt.org)

Installation routes recorded
TFTP generic, GUI OEM
Recovery routes recorded
TFTP generic
Availability recorded by source
Available 2019

Hardware differences

Security

Saved scan

From our saved security research.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

CVE published

NETGEAR WNDR3400

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
CVE updated

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