WAVLINK Quantum D4G (WL-WN531G3) running firmware versions M31G3.V5030.201204 and M31G3.V5030.200325 has an access control issue which allows unauthenticated attackers to download configuration data and log files.

A vulnerability is in the 'live_mfg.html' page of the WAVLINK AC1200, version WAVLINK-A42W-1.27.6-20180418, which can allow a remote attacker to access this page without any authentication. When processed, it exposes some key information of the manager of router.

A vulnerability is in the 'wx.html' page of the WAVLINK AC1200, version WAVLINK-A42W-1.27.6-20180418, which can allow a remote attacker to access this page without any authentication. When an unauthorized user accesses this page directly, it connects to this device as a friend of the device owner.