Threat Level: green Handler on Duty: Jan Kopriva

SANS ISC: Belkin Router Apocalypse: outage taking routers down - SANS Internet Storm Center SANS ISC InfoSec Forums

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Belkin Router Apocalypse: outage taking routers down

According ot various reports, many users of Belkin routers are having problems connecting to the internet as of last night. It appears that the router will occasionally ping to detect network connectivity, but the "heartbeat" host is not reachable for some (all?) users. Currently, the host responds to ICMP echo requests, but apparently, many Belkin routers are still down.

As a workaround, you can add an entry to the routers host file pointing to This appears to remove the block. The "block" only affects the DNS server on the device. It will route just fine. You can still get hosts on your network to work as long as you set a DNS server manually, for example using Google's DNS server at .

For a statement from Belkin, see

In a tweet, Belkin also pointed to this page on its community forum:

Johannes B. Ullrich, Ph.D.

I will be teaching next: Application Security: Securing Web Apps, APIs, and Microservices - SANS Cyber Defence Japan August 2022


4512 Posts
ISC Handler
Oct 7th 2014

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