Dahua International Sites Down 13+ Hours, Now Restored

All of Dahua's websites/countries served from the http://www1.dahuasecurity.com/ server (everything other than North America, China and Russia) have been down for 10+ hours today (we first noticed the outage at 7AM EDT, how long it was down before that is unclear).

The pages are returning 404 errors for any resource/URL requested, example:

While websites do go down from time to time, an outage for a major corporate site that lasts more than an hour or two is rare (and potentially a sign of a major underlying issue).

This came to our attention as we were checking firmware links for the Dahua buffer overflow vulnerability report we released this morning. With these sites being down, Dahua users affected can not download the patched firmware.

Update: After 13 hours, the site / links are now active. Download firmware to fix the vulnerability here.

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