A Buffer Overflow in Network::AuthenticationClient::VerifySignature in /bin/astro in Neato Botvac Connected 2.2.0 allows a remote attacker to execute arbitrary code with root privileges via a crafted POST request to a vendors/neato/robots/[robot_serial]/messages Neato cloud URI on the nucleo.neatocloud.com web site (port 4443).
https://www.usenix.org/system/files/woot19-paper_ullrich.pdf
https://media.ccc.de/v/eh19-157-smart-vacuum-cleaners-as-remote-wiretapping-devices#t=1779