Network admins with Juniper PTX series routers in their environments are being warned to patch immediately, because a newly-discovered critical vulnerability could lead to an unauthenticated threat actor running code with root privileges. The hole is “especially dangerous, because these devices often sit in the middle of the network, not on the fringes,” said Piyush Sharma, CEO of Tuskira. “If an attacker gains control of a PTX, the impact is bigger than a single device compromise because it can become a traffic vantage point and a control point at the same time. This opens the door to the stealthy interception of data flows, controller redirected traffic, or easy pivots into adjacent networ...