SD-WAN Harvester is a tool that was created to automatically enumerate and fingerprint SD-WAN nodes on the Internet. It uses Shodan search engine for discovering, NMAP NSE scripts for fingerprinting, and masscan to implement some specific checks.
You can download it from the following link: https://packetstormsecurity.com/files/download/149752/sdwan-harvester-master.zip
Source: https://packetstormsecurity.com/files/149752/SD-WAN-Harvester-0.99.html