A improper neutralization of special elements used in an os command (‘os command injection’) in Fortinet FortiADC version 7.0.0 through 7.0.1, 6.2.0 through 6.2.2, 6.1.0 through 6.1.6, 6.0.x, 5.x.x allows attacker to execute arbitrary shell code as `root` via CLI commands.