The FBI advisory highlights the ease of use of Ubiquiti EdgeRouters that run on a Linux-based operating system and are typically delivered with default login credentials and minimal firewall ...

Compromised EdgeRouter owners should upgrade to the latest firmware version, change any default usernames and passwords and implement strategic firewall ... to use Ubiquiti routers to execute ...

The routers in question are Ubiquiti EdgeRouters ... are often shipped with default credentials and limited to no firewall protections to accommodate wireless internet service providers (WISPs).