FortiWAN - Command injection vulnerability

Summary

An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in the management interface of FortiWAN may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments to existing commands.

Version Affected Solution
FortiWAN 4.5 4.5.0 through 4.5.9 Upgrade to 4.5.10 or above
FortiWAN 4.4 4.4 all versions Migrate to a fixed release
FortiWAN 4.3 4.3 all versions Migrate to a fixed release
FortiWAN 4.2 4.2 all versions Migrate to a fixed release
FortiWAN 4.1 4.1 all versions Migrate to a fixed release
FortiWAN 4.0 4.0 all versions Migrate to a fixed release

Acknowledgement

Fortinet is pleased to thank ZiTong Wang from DBappSecurity Co. Ltd. Hatlab for reporting this vulnerability under responsible disclosure.