A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiDDoS version 5.5.0 through 5.5.1, 5.4.2 through 5.4.0, 5.3.0 through 5.3.1, 5.2.0, 5.1.0, 5.0.0, 4.7.0, 4.6.0 and 4.5.0 and FortiDDoS-F version 6.3.0 through 6.3.1, 6.2.0 through 6.2.2, 6.1.0 through 6.1.4 allows an authenticated attacker to execute shell code as `root` via `execute` CLI commands.

Multiple buffer copy without checking size of input ('classic buffer overflow') vulnerabilities [CWE-120] in FortiADC version 7.2.0 and before 7.1.2 & FortiDDoS-F version 6.5.0 and before 6.4.1 allows a privileged attacker to execute arbitrary code or commands via specifically crafted CLI requests.