Notification Message Quest Wifi Test Deep Link

Hi.  I've used the RBR50 for several years now - works great.  But today, for the first time, I started receiving a notification on my phone that I don't understand.  The notification title is "Guest Wifi PN" and the text below that reads "Guest Wifi Test deep link".  It seemed to be a legit notification on my phone, so I clicked on it and it asked me to login to the app.  I began to wonder if this was a phishing attempt, so I did not log in.  I tried searching online for what this message means and found no search results.  So, I thought I'd try here - is anyone aware of what this message means?  Is someone trying to use my wifi?  Is it a NetGear test?  Do I need to take any further precautions or can I disregard it?  Any help or insights related to this would be appreciated - thank you.