FortiWAN - Pervasive OS command injection

Summary

Multiple improper neutralization of special elements used in an OS command vulnerabilities (CWE-78) in FortiWAN Web GUI may allow an authenticated attacker to execute arbitrary commands on the underlying system's shell via specifically crafted HTTP requests.

Affected Products

FortiWAN 4.5.8 and below.

Solutions

Upgrade to FortiWAN 4.5.9 or above.

Acknowledgement

Internally discovered and reported by Giuseppe Cocomazzi of Fortinet Product Security team.