Ruijie M18 security vulnerabilities

Ruijie M18 is a WiFi router from China Ruijie Ruijie. A security vulnerability exists in the Ruijie M18 EW3.01B11P226M1810223116 version, which originates from improper handling of a specially crafted POST request for moduleset in the file /usr/local/lua/devconfig/configretain.lua, which could le...