From my notes :
End of Software Maintenance
Release Date: App SW
The last date that Cisco Engineering may release any final software maintenance
releases or bug fixes. After this date, Cisco Engineering will no longer develop, repair,
maintain, or test the software on this hardware series.
End of Software Maintenance
Release Date: HW
The last date that Cisco Engineering may release any final OS software maintenance
releases or bug fixes. After this date, Cisco Engineering will no longer develop, repair,
maintain, or test the product software.
End of Vulnerability Security
Support: HW
The last date that Cisco Engineering may release a planned maintenance release or
scheduled software remedy for a security vulnerability issue (PSIRT fixes).