Router

NETGEAR WNDR4000

Projects for this device

Replacement firmware

OpenWrt

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.

Hardware revision not specified: Get OpenWrt firmware Release listed · 25.12.6
Hardware revision not specified: Open hardware record

Original project github.com

Recorded configuration: 8 MB flash; 64 MB RAM

Limitations: WiFi 2.4GHz partly WiFi 5GHz
First installation: GUI OEM
Limitations: WiFi 2.4GHz partly
Limitations: WiFi 5GHz

Sources

Features & details

Check the project and hardware shown for each feature.

OpenWrt

OpenWrt — Source documentation (openwrt.org)

Installation routes recorded: GUI OEM
Availability recorded by source: Discontinued

Hardware details

Documented hardware

netgear wndr4000 — device documentation (github.com)Netgear WNDR4000 — TechInfoDepot (github.com)Documented hardware — Source documentation (openwrt.org)

Processor: Broadcom BCM4718
Processor: Broadcom BCM4718A1
Wi-Fi chip: Broadcom BCM4331
Flash: 8 MB
Processor / Wi-Fi: Broadcom BCM4718
Memory: 64 MB
Wi-Fi chip: Broadcom BCM4331

Technical references

Netgear WNDR4000 — WikiDevi hardware record (github.com) ↗

Security

Saved scan 18 Oct 2026

From our saved security research.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

CVE published 22 Apr 2020

CVSS 8.8 (v3.0)

NETGEAR WNDR4000

Certain NETGEAR devices are affected by incorrect configuration of security settings

CVE-2017-18756

Affected firmware: WNDR4000: before 1.0.2.10.
Fix: Fix details in the linked record

Read mitre CVE record

Details and sources

CVE updated 5 Aug 2024

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D6220 before 1.0.0.32, D6400 before 1.0.0.66, D8500 before 1.0.3.35, DGN2200Bv4 before 1.0.0.94, DGN2200v4 before 1.0.0.94, R6250 before 1.0.4.14, R6300v2 before 1.0.4.18, R6400 before 1.01.32, R6400v2 before 1.0.2.44, R6700 before 1.0.1.36, R6900 before 1.0.1.30, R6900P before 1.3.0.8, R7000 before 1.0.9.14, R7000P before 1.3.0.8, R7100LG before 1.0.0.34, R7900 before 1.0.2.4, R8000 before 1.0.4.2, WN2500RPv2 before 1.0.1.50, WNDR3400v3 before 1.0.1.14, and WNDR4000 before 1.0.2.10.

CVE published 9 Oct 2019

NETGEAR WNDR4000

Certain NETGEAR devices allow remote attackers to disable all authentication requirements by visiting genieDisableLanChanged.cgi

CVE-2019-17372

Affected firmware: Version scope unspecified in source
Fix: Fix details in the linked record

Read mitre CVE record

Details and sources

CVE updated 5 Aug 2024

Certain NETGEAR devices allow remote attackers to disable all authentication requirements by visiting genieDisableLanChanged.cgi. The attacker can then, for example, visit MNU_accessPassword_recovered.html to obtain a valid new admin password. This affects AC1450, D8500, DC112A, JNDR3000, LG2200D, R4500, R6200, R6200V2, R6250, R6300, R6300v2, R6400, R6700, R6900P, R6900, R7000P, R7000, R7100LG, R7300, R7900, R8000, R8300, R8500, WGR614v10, WN2500RPv2, WNDR3400v2, WNDR3700v3, WNDR4000, WNDR4500, WNDR4500v2, WNR1000, WNR1000v3, WNR3500L, and WNR3500L.

Check more security advisories for this device · CVE.org