Hello Wu66i3,
If you've had your iPhone stolen, then you'd want to take these related steps: Find your lost iPhone or iPad with Find My In case you can't locate the device using the Find My app, then we'd contact your local Law Enforcement to report it.
You can use these steps to help secure your Apple ID: If you think your Apple ID has been compromised
You mentioned having to wait to reset your Apple ID password, if you started account recovery, then you will need to wait for that process to complete before you can regain access: How to use account recovery when you can’t reset your Apple ID password
Hoping this helps out.
Take care.