Cradlepoint IBR900-600 devices running versions < 7.21.10 are vulnerable to a restricted shell escape sequence that provides an attacker the capability to simultaneously deny availability to the device's NetCloud Manager console, local console and SSH command-line.
Cradlepoint IBR600 NCOS versions 6.5.0.160bc2e and prior are vulnerable to shell escape, which enables local attackers with non-superuser credentials to gain full, unrestrictive shell access which may allow an attacker to execute arbitrary code.