A vulnerability, which was classified as critical, has been found in HuangDou UTCMS V9. Affected by this issue is some unknown functionality of the file app/modules/ut-cac/admin/cli.php. The manipulation of the argument o leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.