CVE-2018-0173CISA KEVEPSS p93.8%

CVE-2018-0173Cisco IOS and IOS XE Software Improper Input Validation Vulnerability

Cisco / IOS and IOS XE Software

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).

Scoring

EPSS7.61% probability of exploitation · percentile 93.8% · 2026-06-18T12:00:27Z

CISA KEV entry

Added to KEV: 2022-03-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryCisco IOS and IOS XE Software Improper Input Validation Vulnerabilitykev-cve-2018-01730%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.