@David-TP Bump. Any resolution? Really need this resolved.

@MePC same issue! if you actually use ?undefined? as the password for extended networks it works, and does improve connection. not particularly secure but might be an option while tp-link come up...

@David-TP I tried using WPS, Web and tether app. None work. Web I actually had the opportunity to input the host router password but it still did not update the extended network password.

Trying to set up an RE300 with a vr400 router. Every method I try results in the extended networks having a non changeable password of ?undefined?. No matter what I do I cannot get the RE300 to...