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0x01 Vulnerability description

A vulnerability is in the 'mb_wifibasic.shtml' page of the Wavlink-WiFi-Repeater,Firmware package version RPTA2-77W.M4300.01.GD.2017Sep19,Visit the constructed page to get the Wi-Fi Basic Setting, and you can set the WiFi at the same time.

Unauthorized users can obtain the key information of the router by visiting:

http://xxx.xxx.xxx.xxx/mb_wifibasic.shtml

0x02 Affected version

Wavlink-WiFi-Repeater

0x03 Vulnerability

This page does not have access permissions set

0x04 PoC verification

image-20220623150043519

image-20220623153613992

0x05 Acknowledgement

Penwei.Huang