A quick fix to Wi-Fi authentication problems on Android is to toggle airplane mode on and off, or "forget" the Wi-Fi network and reconnect to it.

ASUS is warning about an authentication bypass vulnerability in routers with AiCloud enabled that could allow remote attackers to perform unauthorized execution of functions on the device.

ASUS has released a new firmware update that addresses a vulnerability impacting seven router models that allow remote attackers to log in to devices.

Malicious individuals can intercept authentication tokens from Android users running applications over an unsecured WiFi network, said researchers from Germany’s University of Ulm on May 13.

You can quickly find and share your Wi-Fi network's password on your Android phone or tablet, but you may have to authenticate first.