CVE-2016-6403: Cisco IOS

Medium severity, CVSS 5.9. EPSS: 1.6% chance of exploitation in the next 30 days.

The Data in Motion (DMo) application in Cisco IOS 15.6(1)T and IOS XE, when the IOx feature set is enabled, allows remote attackers to cause a denial of service via a crafted packet, aka Bug IDs CSCuy82904, CSCuy82909, and CSCuy82912.

Affected products

• Cisco IOS: up to and including 15.6\(1\)t

Published 2016-09-18. Last modified 2026-06-17.