A command injection vulnerability is present that permits an unauthenticated user with access to the Aruba Instant web interface to execute arbitrary system commands within the underlying operating system. An attacker could use this ability to copy files, read configuration, write files, delete files, or reboot the device. Workaround: Block access to the Aruba Instant web interface from all untrusted users. Resolution: Fixed in Aruba Instant 4.2.4.12, 6.5.4.11, 8.3.0.6, and 8.4.0.1