It's a tough call. The comms companies who provide my router provide millions of them. They want ACS/TR-069 by default and use it for automated updates.
I always disable it, but I'll bet I'm something like 1:10k in that respect.
Re:Linksys CherryBlossom Advisory
by yjftsjthsd-h on Friday June 23, 2017 @07:40AM
(#14618439)
I don't mind it being on WiFi. But yeah, public facing management port is insane.
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[1] Even though most users have no idea the management interface even exists.