Teamviewer and 2FA on same phone - security risk?

DPJ

Hi,

If I set up Teamviewer so it sends a request to a mobile to authorise access to a device, this requires Teamviewer to be installed on that phone and be logged in.

If Teamviewer and 2FA are on the same phone, it is possible to access one of the controlled devices through the phone app and authorise that access on the same phone. End result being someone who has access to your phone isn't stopped by 2FA , can remote into something and potentially do damage or steal info. At best this is 1FA (ie the only protection being any locking code etc you have for your mobile device).

Or, am I missing something??

Thanks