http://slashdot.i2p/story/21/01/23/0412253/how-dnspooq-attacks-could-poison-dns-cache-records
More from ZDNet: Dnsmasq is usually included inside the firmware of various networking devices to provide DNS forwarding capabilities by taking DNS requests made by local users, forwarding the request to an upstream DNS server, and then caching the results once they arrive, making the same results readily available for other clients without needing to make a new DNS query upstream.