Mingyu Security Gateway before v3.0-5.3p was discovered to contain a remote command execution (RCE) vulnerability via the log_type parameter at /log/fw_security.mds.
https://github.com/night-0p/anh/blob/main/MingyuSecurityGateway/rce1.md
https://gist.github.com/night-0p/8d414bfef1cb16539da67e122d91e8da