NETGEAR DGND3800B OpenWrt Firmware
- CPU
- Broadcom BCM6368
- RAM
- 128 MB
- Flash
- 32, 128NAND MB
The NETGEAR DGND3800B is supported by OpenWrt/ImmortalWrt on the bmips/bcm6368 target. 4 firmware images are available from the official OpenWrt 25.12.5 and ImmortalWrt 25.12.1 stable releases — download one below, or build a custom OpenWrt image for this device with your own package selection.
Specs
Specifications
| CPU | Broadcom BCM6368 |
|---|---|
| CPU cores | 2 |
| CPU frequency | 400 MHz |
| RAM | 128 MB |
| Flash | 32, 128NAND MB |
| 1 Gbit Ethernet ports | 5 |
| WLAN hardware | Broadcom BCM43222 |
| Switch | Broadcom BCM53115 |
Hardware data from the OpenWrt Table of Hardware; verify against your unit before flashing.
Build matrix
Supported firmware versions
| Distribution | Version | Target | Profile |
|---|---|---|---|
| OpenWrt | 25.12.5 | bmips/bcm6368 | netgear_dgnd3800b |
| ImmortalWrt | 25.12.1 | bmips/bcm6368 | netgear_dgnd3800b |
Downloads
Download images
OpenWrt 25.12.5 · bmips/bcm6368
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-bmips-bcm6368-netgear_dgnd3800b-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | 976e1fa4af00… |
| openwrt-25.12.5-bmips-bcm6368-netgear_dgnd3800b-squashfs-factory.chk For first-time flash from stock firmware. | factory | 896e50fe8ea4… |
ImmortalWrt 25.12.1 · bmips/bcm6368
| Image | Type | sha256 |
|---|---|---|
| immortalwrt-25.12.1-bmips-bcm6368-netgear_dgnd3800b-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | 601ab5a9716a… |
| immortalwrt-25.12.1-bmips-bcm6368-netgear_dgnd3800b-squashfs-factory.chk For first-time flash from stock firmware. | factory | a3f2a776be87… |
Downloads are served by the official OpenWrt/ImmortalWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the NETGEAR DGND3800B ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
OpenWrt 25.12.5 · bmips/bcm6368
Device packages (6)
kmod-usb-ohci kmod-usb-ledtrig-usbport kmod-usb2 kmod-b43 wpad-basic-mbedtls kmod-leds-gpio
Target default packages (26)
apk-mbedtls base-files ca-bundle dnsmasq dropbear ethtool firewall4 fstools kmod-gpio-button-hotplug kmod-nft-offload libc libgcc libustream-mbedtls logd mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoe procd-ujail uci uclient-fetch urandom-seed urngd
ImmortalWrt 25.12.1 · bmips/bcm6368
Device packages (6)
kmod-usb-ohci kmod-usb-ledtrig-usbport kmod-usb2 kmod-b43 wpad-basic-openssl kmod-leds-gpio
Target default packages (30)
apk-openssl base-files block-mount ca-bundle default-settings-chn dnsmasq-full dropbear ethtool firewall4 fstools kmod-gpio-button-hotplug kmod-nf-nathelper kmod-nft-offload libc libgcc libustream-openssl logd luci mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoe procd-ujail uci uclient-fetch urandom-seed urngd
Installation notes
- First install from stock firmware: flash the factoryimage through the vendor firmware's upgrade page or recovery mode.
- Already running OpenWrt or ImmortalWrt: flash the sysupgrade image from LuCI (System → Backup / Flash Firmware) or with the sysupgrade command.
- Verify your download against the published checksum before flashing:
$ sha256sum openwrt-25.12.5-bmips-bcm6368-netgear_dgnd3800b-squashfs-sysupgrade.bin 976e1fa4af0000e406dfbbdc766f86860cd52da507b49ab25421c8be80b9b98b openwrt-25.12.5-bmips-bcm6368-netgear_dgnd3800b-squashfs-sysupgrade.bin
Build custom firmware
Need more than the default image for the NETGEAR DGND3800B? Pick your packages — LuCI apps, themes, VPN clients — set the basics, and get a ready-to-flash OpenWrt image assembled from official packages in minutes.
Customize firmware for this deviceRelated
Related devices
More NETGEAR devices
- NETGEAR Centria N900 WNDR4700 OpenWrt firmware
- NETGEAR DGN3500 OpenWrt firmware
- NETGEAR DGN3500B OpenWrt firmware
- NETGEAR DGND3700 v1 OpenWrt firmware
- NETGEAR DGND3700 v2 OpenWrt firmware
- NETGEAR DM200 OpenWrt firmware
- NETGEAR EAX12 OpenWrt firmware
- NETGEAR EAX17 OpenWrt firmware
More devices on bmips/bcm6368
Upstream
Upstream & source
- downloads.openwrt.org — bmips/bcm6368 25.12.5
- downloads.immortalwrt.org — bmips/bcm6368 25.12.1
- OpenWrt Table of Hardware
Images are assembled from packages compiled and published by the upstream OpenWrt and ImmortalWrt projects. The complete corresponding source code is available from those projects under the GPL.