+1
I tried to update via esxcli to apply the most recent patch (ESXi510-201406001) to my ESXi with HP Custom ISO (VMware-ESXi-5.1.0-Update2-1483097-HP-5.66.28-Jun2014.iso) and ran into problems too:
~ # esxcli software vib update --depot=/vmfs/volumes/nas1/ESXi510-201406001.zip
[DependencyError]
VIB Broadcom_bootbank_scsi-bnx2i_2.7a.03.v50.2-1OEM.500.0.0.472560 requires com.broadcom.cnic-9.2.0.0, but the requirement cannot be satisfied within the ImageProfile.
VIB VMware_bootbank_net-bnx2x_1.61.15.v50.3-1vmw.510.0.11.1063671 requires com.broadcom.cnic_register-9.2.1.0, but the requirement cannot be satisfied within the ImageProfile.
VIB VMware_bootbank_net-cnic_1.10.2j.v50.7-3vmw.510.0.0.799733 requires com.broadcom.cnic_register-9.2.1.0, but the requirement cannot be satisfied within the ImageProfile.