Cisco Security Advisory: Cisco IOS Software TFTP Server Denial of Service Vulnerability

Cisco Security Advisory: Cisco IOS Software TFTP Server Denial of Service Vulnerability

Advisory ID: cisco-sa-2015722-tftp

Revision 1.0

For Public Release 2015 July 22 16:00 UTC (GMT)

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Summary
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A vulnerability in the TFTP server feature of Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

The TFTP server feature is not enabled by default.

Cisco has released software updates that address this vulnerability.

Workarounds that mitigate this vulnerability are available.