CVE-2018-0173
Cisco IOS and IOS XE Software
Cisco IOS and IOS XE Software Improper Input Validation Vulnerability
What it is
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).
What to do
Apply updates per vendor instructions.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
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