ASUS RT-AC53U OpenWrt Firmware

CPU
Broadcom BCM5358U
RAM
64 MB
Flash
16 MB

The ASUS RT-AC53U is supported by OpenWrt/ImmortalWrt on the bcm47xx/mips74k target. 2 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

CPUBroadcom BCM5358U
CPU cores1
CPU frequency500 MHz
RAM64 MB
Flash16 MB
100 Mbit Ethernet ports5
WLAN hardwareBroadcom BCM5358, Broadcom BCM43526
SwitchBroadcom BCM5358

Hardware data from the OpenWrt Table of Hardware; verify against your unit before flashing.

Build matrix

Supported firmware versions

DistributionVersionTargetProfile
OpenWrt25.12.5bcm47xx/mips74kasus_rt-ac53u
ImmortalWrt25.12.1bcm47xx/mips74kasus_rt-ac53u

Downloads

Download images

OpenWrt 25.12.5 · bcm47xx/mips74k

ImmortalWrt 25.12.1 · bcm47xx/mips74k

Downloads are served by the official OpenWrt/ImmortalWrt mirrors — unchanged upstream stable builds.

Packages & install

Default packages & installation

Default packages

Every image for the ASUS RT-AC53U ships these packages by default. The customize option below lets you add or remove packages before the image is assembled.

OpenWrt 25.12.5 · bcm47xx/mips74k

Device packages (2)

kmod-usb-ohci kmod-usb2

Target default packages (30)

apk-mbedtls base-files ca-bundle dnsmasq dropbear firewall4 fstools kmod-gpio-button-hotplug kmod-leds-gpio kmod-nft-offload libc libgcc libustream-mbedtls logd mtd netifd nftables nvram odhcp6c odhcpd-ipv6only otrx ppp ppp-mod-pppoe procd-ujail swconfig uci uclient-fetch urandom-seed urngd wpad-basic-mbedtls

ImmortalWrt 25.12.1 · bcm47xx/mips74k

Device packages (2)

kmod-usb-ohci kmod-usb2

Target default packages (34)

apk-openssl base-files block-mount ca-bundle default-settings-chn dnsmasq-full dropbear firewall4 fstools kmod-gpio-button-hotplug kmod-leds-gpio kmod-nf-nathelper kmod-nft-offload libc libgcc libustream-openssl logd luci mtd netifd nftables nvram odhcp6c odhcpd-ipv6only otrx ppp ppp-mod-pppoe procd-ujail swconfig uci uclient-fetch urandom-seed urngd wpad-basic-openssl

Installation notes

  • Verify your download against the published checksum before flashing:
    $ sha256sum openwrt-25.12.5-bcm47xx-mips74k-asus_rt-ac53u-squashfs.trx
    6903b64e862c4cec433bf700880f9a5ca30798922294620ac641685f78eeb7e0  openwrt-25.12.5-bcm47xx-mips74k-asus_rt-ac53u-squashfs.trx

Build custom firmware

Need more than the default image for the ASUS RT-AC53U? 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 device