CVE Vulnerability Advisory Database
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2018-03-28
Cisco IOS and IOS XE DHCP Option 82 Encapsulation Input Validation Vulnerability (CVE-2018-0174)
[Affected Scope] Cisco IOS and IOS XE Software with DHCP Option 82 encapsulation functionality enabled
[Impact] An unauthenticated, remote attacker can cause the affected device to reload, resulting in a complete Denial of Service (DoS) condition
[Mitigation] Apply the official software updates from Cisco, or disable DHCP Option 82 / relay features and restrict DHCP traffic using ACLs