WAVLINK AERIAL X 1200M, a WiFi extender from WAVLINK China, is vulnerable to an information disclosure vulnerability in version M79X3.V5030.180719, which stems from improper authorization management on the live_check.shtml page, and could be exploited by an attacker to The vulnerability is caused by improper authorization management on the live_check.shtml page, which can be exploited to obtain sensitive router information.