CVE-2015-0743: Cisco Headend Digital Broadband Delivery System

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

Cisco Headend System Release allows remote attackers to cause a denial of service (DHCP and TFTP outage) via a flood of crafted UDP traffic, aka Bug ID CSCus04097.

Affected products

• Cisco Headend Digital Broadband Delivery System: affected versions not specified
• Cisco Headend System Release: version 2.5 only; version 2.7 only; version 3.2 only; version 3.5 only; version 3.7 only; version i4.3 only

Published 2015-05-30. Last modified 2026-06-17.