CVE-2016-1425: Cisco IOS

Medium severity, CVSS 6.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Cisco IOS 15.0(2)SG5, 15.1(2)SG3, 15.2(1)E, 15.3(3)S, and 15.4(1.13)S allows remote attackers to cause a denial of service (device crash) via a crafted LLDP packet, aka Bug ID CSCun66735.

Affected products

• Cisco IOS: version 15.0(2)sg5 only; version 15.1(2)sg3 only; version 15.2(1)e only; version 15.3(3)s only; version 15.4(1.13)s only

Published 2016-07-03. Last modified 2026-06-17.