CORE/HDD/src/wlan_hdd_hostapd.c in the Qualcomm Wi-Fi driver in Android before 2016-10-05 on Nexus 5X and Android One devices allows attackers to obtain sensitive information via a crafted application that makes a setwpaie ioctl call, aka Android internal bug 29915601 and Qualcomm internal bug CR 1000913.
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.