Firetruck

CVE-2018-0173

KEV
Updated Jan 12, 2026 · PUBLISHED
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Description

A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS).

Full record on cve.org →

Affected packages

PackageVendor / ProductVersion rangeStatus
Cisco IOS and IOS XEn/a / Cisco IOS and IOS XECisco IOS and IOS XEaffected