First, thank you for testing and for all your info. I was just looking into telnet options, because I was getting a bit frustrated at the process. You may have just saved me some time here.
Second, then what is
@dabears seeing? It is entirely possible I am misunderstanding what he is saying, but I thought that he was saying he was able to connect to WPS, despite it being off at the router.
Third, will all WPS-capable routers advertise their WPS capabilities? Because, in the past, I have had other routers and they never showed WPS as being advertised, despite having the capability. Similarly, if it is simply a matter of "I can do this," not necessarily "I will allow you to do this" ("this" being WPS in our case), why does it not advertise on the router? Even if it can only advertise for one band at a time, why does my router not show WPS for the 2.4 GHz band to match the node? That seems weirdly inconsistent to me. I'd think they'd either both be on or both be off, since all settings at the router are supposed to propagate to the node, I thought.
Fourth, why, if it has to be enabled purposefully by a button press at the router (either physical or virtual) do security experts tell you to disable WPS entirely? If it was solely a physical access security risk, then obviously it's a lot less of an issue. However, just some basic poking around shows that people can scan networks, find those with WPS enabled, and (at the very least) brute force their way in using various tools to guess at/discover a working PIN to connect (e.g.,
https://null-byte.wonderhowto.com/h...king-wps-pin-get-password-with-bully-0158819/). Nowhere does it say you need physical access to the router. Heck, once you have physical access, why would you need to bother to crack it?
Lastly, you mention I can turn off the WPS via NVRAM if I'm feeling insecure about it, but didn't you just say (and correct me if I'm wrong), that it can only be toggled one radio at a time? So which command would I need to use to turn it off at the node? Is it wps_enable, or wps_enable_x? I'm getting a bit confused with this.
Please don't take my inquisition here as a personal attack. I'm just trying to understand what is going on and to reconcile your information here with what I'm reading elsewhere and what others are reporting on these forums. Thanks!