Bitdefender
Home Scanner - Download Here
Free & super-fast Wi-Fi scanner for your home network. Bitdefender Home Scanner looks for vulnerable devices and passwords, and offers detailed security recommendations for your home network.
Scan for weaknesses and hidden backdoors into your home
Bitdefender Home Scanner is a free tool that scans your Wi-Fi network, maps devices and identifies and highlights network security flaws. Bitdefender Home Scanner looks for weak passwords, as well as vulnerable or poorly encrypted communications. It correlates the information gathered from your connected devices with online vulnerability databases and gives you a thorough report so you can ensure maximum security for your network.
Source : https://www.bitdefender.com/solutions/home-scanner.html