First, do a Google search for "Very-small-aperture terminal" which leads to a Wikipedia article and the acronym "VSAT".
Next, search "VSAT" on Shodan and find lots of results for `Hughes Network Systems Multimedia VSAT`.
*Optional: Narrow search by "port:161" (SNMP).*
Finally, in details for many of the `Hughes Network Systems Multimedia VSAT`, find under Vulnerabilities:
I was not able to find the Vulnerability, could you give me more details?