CVE-2014-3270: Cisco IOS XR

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

The DHCPv6 implementation in Cisco IOS XR allows remote attackers to cause a denial of service (process hang) via a malformed packet, aka Bug ID CSCul80924.

Affected products

• Cisco IOS XR: any version

Published 2014-05-20. Last modified 2026-06-17.