Vulnerability: Cisco TFTP Long Filename

Cisco has warned a vulnerability has been discovered in the processing of filenames within a TFTP read request when Cisco IOS is configured to act as a TFTP server. Trivial File Transfer Protocol (TFTP) is a protocol which allows for easy transfer of files between network connected devices.

Cisco IOS software versions 11.1, 11.2, 11.3 are all affected by this vulnerability.

More information on the vulnerability as well as a workaround are available here.

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