Buffalo WSR-3200AX4S OpenWrt Firmware
- CPU
- MediaTek MT7622B
- RAM
- 512 MB
- Flash
- 128NAND MB
The Buffalo WSR-3200AX4S is supported by OpenWrt on the mediatek/mt7622 target. 4 firmware images are available from the official OpenWrt 25.12.5 stable release — download one below, or build a custom OpenWrt image for this device with your own package selection.
Specs
Specifications
| CPU | MediaTek MT7622B |
|---|---|
| CPU cores | 2 |
| CPU frequency | 1350 MHz |
| RAM | 512 MB |
| Flash | 128NAND MB |
| 1 Gbit Ethernet ports | 5 |
| WLAN hardware | MediaTek MT7622B, MediaTek MT7915 |
| Switch | MediaTek MT7531 |
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 | mediatek/mt7622 | buffalo_wsr-3200ax4s |
Downloads
Download images
OpenWrt 25.12.5 · mediatek/mt7622
| Image | Type | sha256 |
|---|---|---|
| openwrt-25.12.5-mediatek-mt7622-buffalo_wsr-3200ax4s-squashfs-factory-uboot.bin For first-time flash from stock firmware. | factory-uboot | 144729815809… |
| openwrt-25.12.5-mediatek-mt7622-buffalo_wsr-3200ax4s-squashfs-factory.bin For first-time flash from stock firmware. | factory | d26b837423ca… |
| openwrt-25.12.5-mediatek-mt7622-buffalo_wsr-3200ax4s-squashfs-sysupgrade.bin Not sure? Pick this if upgrading from OpenWrt. | sysupgrade | 57f3e714614d… |
| openwrt-25.12.5-mediatek-mt7622-buffalo_wsr-3200ax4s-initramfs-kernel.bin Minimal kernel image, useful for first install or recovery. | kernel | 33c78fc1f17d… |
Downloads are served by the official OpenWrt mirrors — unchanged upstream stable builds.
Packages & install
Default packages & installation
Default packages
Every image for the Buffalo WSR-3200AX4S ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.
Device packages (1)
kmod-mt7915-firmware
Target default packages (30)
apk-mbedtls base-files ca-bundle dnsmasq dropbear firewall4 fitblk fstools kmod-gpio-button-hotplug kmod-leds-gpio kmod-mt7622-firmware kmod-nft-offload libc libgcc libustream-mbedtls logd mtd netifd nftables odhcp6c odhcpd-ipv6only ppp ppp-mod-pppoe procd-ujail uboot-envtools uci uclient-fetch urandom-seed urngd wpad-basic-mbedtls
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.
- The kernel / initramfs image boots from RAM without writing to flash — useful for a first install or for recovering from a failed flash.
- Verify your download against the published checksum before flashing:
$ sha256sum openwrt-25.12.5-mediatek-mt7622-buffalo_wsr-3200ax4s-squashfs-factory-uboot.bin 14472981580922bb723b5eed9b654c78c2463cf25f8a3defe3a07c734936301c openwrt-25.12.5-mediatek-mt7622-buffalo_wsr-3200ax4s-squashfs-factory-uboot.bin
Build custom firmware
Need more than the default image for the Buffalo WSR-3200AX4S? 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
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Upstream
Upstream & source
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.