I found out how to download the files:
root@OpenWrt:/dev# ubus call system board
{
"kernel": "5.15.150",
"hostname": "OpenWrt",
"system": "ARMv8 Processor rev 4",
"model": "ASUS TUF-AX6000",
"board_name": "asus,tuf-ax6000",
"rootfs_type": "squashfs",
"release": {
"distribution": "OpenWrt",
"version": "23.05.3",
"revision": "r23809-234f1a2efa",
"target": "mediatek/filogic",
"description": "OpenWrt 23.05.3 r23809-234f1a2efa"
}
Ping @Supergroover @feneri25