FYI...
HP 5400zl switch may contain malware-
https://www.us-cert.gov/current/#hp_procurve_5400_zl_switchesApril 12, 2012 - "... security bulletin to address a security vulnerability affecting HP 5400 zl series switches purchased after April 30, 2011. These switches contain a compact flash card that
may be infected with malware. US-CERT encourages users and administrators to review HP Security Bulletin HPSBPV02754*, which includes a list of infected switches and serial numbers, and apply any necessary steps to help mitigate the risk."
*
https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_&ac.admitted=1334254140544.876444892.199480143Potential Security Impact: Local compromise of system integrity
"... HP 5400 zl series switch purchased after April 30, 2011 with the noted serial numbers..."
References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-0133
