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CISA known exploited vulnerability

CVE-2018-0173

Cisco IOS and IOS XE Software Improper Input Validation Vulnerability

SOURCE FACT

Cisco · IOS and IOS XE Software

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).

Required action

Apply updates per vendor instructions.

CISA notes

https://nvd.nist.gov/vuln/detail/CVE-2018-0173

View source evidence →

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