The management console on the Brocade Vyatta 5400 vRouter 6.4R(x), 6.6R(x), and 6.7R1 allows remote authenticated users to execute arbitrary Linux commands via shell metacharacters in a console command.
Improper Neutralization of Special Elements used in an OS Command The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command before it is sent to a downstream component.