In Solstice Pod before 3.3.0 (or Open4.3), the screen key can be enumerated using brute-force attacks via the /lookin/info Solstice Open Control API because there are only 1.7 million possibilities.
A CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that could cause brute force attacks to take over the admin account when the product does not implement a rate limit mechanism on the admin authentication form. Affected Products: Conext™ ComBox (All Versions)