Firetruck

CVE-2018-0167

KEV
Updated Jan 12, 2026 · PUBLISHED
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Description

There is a buffer overflow vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software which could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code.

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Affected packages

PackageVendor / ProductVersion rangeStatus
Cisco IOS, IOS XE, and IOS XRn/a / Cisco IOS, IOS XE, and IOS XRCisco IOS, IOS XE, and IOS XRaffected