yes open-hardware router ASUS ASUS RT-AC5300 ASUS RT-AC5300

ASUS RT-AC5300 v1

Router · ASUS
Yes
Difficulty
Hard
Brick risk
High
Legal risk
Medium

High brick risk. A bad flash, unlock, or downgrade can permanently disable the device. Read the specialist guide for this exact model and firmware before you touch it.

How-to

How to

Flash OpenWrt (or FreshTomato) via vendor web UI, TFTP or serial per the OpenWrt Table of Hardware page

Follow the specialist sources linked on this page. If this path is a jailbreak, unlock, or flash, the specialist wiki is the how-to — we do not copy those steps here.

Notes

OpenWrt current release 25.12.0, target bcm53xx.

OpenWrt unsupported functions: White WAN LED.

FreshTomato note: Supported from r2022.6 (forum thread) This is NOT the Asus GT-AC5300.

Asuswrt-Merlin also lists it (legacy, no longer supported).

Check the exact hardware revision on the label before flashing.

SourcesLast verified Oct 22, 2026

Author canirootit research