Xiaomi Mi WiFi R3G devices before 2.28.23-stable are susceptible to local file inclusion vulnerabilities via a misconfigured NGINX alias, as demonstrated by api-third-party/download/extdisks../etc/config/account. With this vulnerability, the attacker can bypass authentication.
View the template here CVE-2019-18371.yaml
References:
https://github.com/password520/Penetration_PoC