Exposing a port isn't exactly a safe thing to do nowadays, and I'd be wary of the security posture of an "old phone". Proceed with caution.
Assuming you are using an old phone with termux to serve de webpage. What could be an attack vector?
The phone will be running Android 7.1
Exposing a port isn't exactly a safe thing to do nowadays, and I'd be wary of the security posture of an "old phone". Proceed with caution.