Home Network Administration Protocol
HNAP
HNAP1

    (HNAP) A network protocol using SOAP over
   HTTP that lets manufacturers and administrtors to configure
   devices remotely.  HNAP is typically used by ISPs to update
   Internet routers in customers' homes or workplaces.

   Because it runs on many devices on the Internet, HNAP is a
   target for remote attacks or probes.  These may start by
   attempting to fetch the URL "/HNAP1/" on the remote device.

   [<Cisco whitepaper>]

   [<SANS vulnerability post>]

   (2018-08-09)