CVE-2016-1472 (small_business_220_series_smart_plus_switches)
The web-based management interface on Cisco Small Business 220 devices with firmware before 1.0.1.1 allows remote attackers to cause a denial of service (interface outage) via a crafted HTTP request, aka Bug ID CSCuz76238.
Source: CVE-2016-1472 (small_business_220_series_smart_plus_switches)