Replacement firmware
Beta build · 10-13-2026-r66345
Browse firmware downloadsdownload1.dd-wrt.comRouter
Linksys WRT400N
Profile updated Published
Projects for this device
Replacement firmware
Replace router software with a customizable system for network controls and community packages.
Hardwarev1
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.
Open hardware recordopenwrt.org
Recorded configuration: 8 MB flash; 32 MB RAM
- Device support in source
- Retired; check the documented hardware and older release resources.
Features & details
Check the project and hardware shown for each feature.
Device details
Linksys WRT400N — TechInfoDepot (github.com)Linksys WRT400N — WikiDevi (github.com)
- Hardware revision
- v1
OpenWrt
- Availability recorded by source
- Discontinued
Hardware details
Documented hardware
linksys wrt400n — device documentation (github.com)Linksys WRT400N — TechInfoDepot (github.com)Linksys WRT400N — WikiDevi (github.com)Documented hardware — Source documentation (openwrt.org)
- Processor
- Atheros AR7161
- Hardware revision
- v1
- Wi-Fi chip
- Atheros AR9220
- Wi-Fi chip
- Atheros AR9223
- Flash
- 8 MB
- Processor
- Atheros AR7161
- Memory
- 32 MB
- Wi-Fi chip
- Atheros AR9220
Security
Saved scan
No device-specific advisory matched our saved CVE research.
Check security advisories for this device · CVE.org