NAT-PMP Security Vulnerability Affects 1.2M Routers

Vulnerabilities in embedded devices, in particular small office and home office routers, have been relentless. Another serious issue was discovered this week that affects more than 1.2 million such devices due to improper NAT-PMP protocol implementations, most of which run counter to the...

Incorrect implementation of NAT-PMP in multiple devices

Overview Many NAT-PMP devices are incorrectly configured, allowing them to field requests received on external network interfaces or map forwarding routes to addresses other than that of the requesting host, making them potentially vulnerable to information disclosure and malicious port mapping...