hcxlabtool

This is an awesome tool for doing WPA3 downgrade attacks! Booyah!

Referenced from: this GitHub discusson

Install pre-reqs and compile

git clone https://github.com/ZerBea/wifi_laboratory.git ~/wifilab
sudo apt install build-essential git libpcap-dev -y
make

Attack a list of APs to see if they're vulnerable to a WPA3>WPA2 downgrade attack

sudo hcxlabtool --rds=1 --essidlist list-of-wpa3-aps.list -t 15

More information about this attack here.