VULNERABILITY INTELLIGENCE

CVE-2011-1640

CVSS score7.8 HIGH

EPSS probability1.77%

CISA KEVNot currently listed

Published2011-10-22

Last modified2026-06-16

Description

The ethernet-lldp component in Cisco IOS 12.2 before 12.2(33)SXJ1 does not properly support a large number of LLDP Management Address (MA) TLVs, which allows remote attackers to cause a denial of service (device crash) via crafted LLDPDUs, aka Bug ID CSCtj22354.