“A broad variety of the latest firewall, spam filter and VPN appliances sold by Campbell, Calif. based Barracuda Networks Inc. contain undocumented backdoor accounts, the company disclosed today. Worse still, while the backdoor accounts are apparently set up so that they would only be accessible from Internet addresses assigned to Barracuda, they are in fact accessible to potentially hundreds of other companies and network owners.”
Source: Backdoors Found in Barracuda Networks Gear — Krebs on Security