Denial of Service Vulnerability in Cisco IOS on 10000 Series Routers
CVE-2012-4620
Currently unrated
What is CVE-2012-4620?
The vulnerability allows remote attackers to execute denial of service attacks on Cisco IOS running on 10000 series routers. Specifically, when a tunnel interface is configured, attackers can exploit the vulnerability through GRE/IP, IPIP, or IPv6 in IPv4 tunneled packets. This attack can lead to an interface queue wedge, effectively rendering the router's functionality impaired and disrupting network services.

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