The major security vulnerability affects networking equipment used to connect to the Web, the companies warn.
Consumer smartphones, safety regulations, and efficiency savings are driving Internet connectivity in vehicles, and will become standard features in a few years.
Shipment growth of the ultrathin computers could triple that of tablets, though tablets will retain the edge in total volumes, Juniper Research says.
Bob Muglia, whose planned departure from Microsoft was announced in January, plans to work for Jupiter Networks as an executive vice president.
New Juniper mobile suite includes antivirus, firewall and remote data backup, and wipe for stolen devices.
Apple and Samsung will account for almost half of those shipments, but vendors in emerging regions will increasingly move the market, says research firm Juniper Research.
Super boxes like Juniper's SRX can become the mainframe of the network, replacing lots of today's dinky appliances that can't keep up and cost a ton to run.
Juniper Research finds worldwide carbon dioxide emissions from cell phone charging will more than double by 2019.
LTE will run on 1.8 billion devices by 2019, predicts Juniper Research, representing 22 percent of global active connections.
Acquisition price for mobile security provider SMobile is about $70 million in cash, companies say.