An issue was discovered on GL.iNet devices running firmware before 3.216. There is an arbitrary file write in which an empty file can be created almost anywhere on the filesystem, as long as the filename and path is no more than 6 characters (the working directory is /www).

An issue was discovered on GL.iNet devices before 3.216. There is an arbitrary file write in which an empty file can be created anywhere on the filesystem. This is caused by a command injection vulnerability with a filter applied.