Frequency
1
occurrences
First Seen
January 8, 2026
Last Seen
January 8, 2026
Related Threat Clusters
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DNS Client Bug Causes Cisco Switch Reboot Loops Globally
On January 8, 2026, a flaw in the DNS client service led to widespread reboot loops in multiple Cisco Small Business Switch models. The issue, which began around 2:00 AM, affected organizations of all sizes as the…
2 articles · Updated January 9, 2026
Recent Intelligence Reports
- Cisco switches hit by reboot loops due to DNS client bug — Bleepingcomputer · January 8, 2026