ISR 800 Series —
Covered past the OEM cutoff by an independent maintainer.
Modules and units still circulate on the secondary market.
Carrying production traffic? Set the replacement window now, not mid-outage.
Low-criticality role — document the risk, harden backups, retire on your terms.
Yes, for now. Cisco's last date of support for C819HWD-A-K9 is Jan 2027, per the Cisco end-of-life bulletin.
C819HWD-A-K9 reached end of sale Jan 2022, per the Cisco end-of-life bulletin.
Jan 2027, according to the Cisco end-of-life bulletin.
After the last date of support, C819HWD-A-K9 units can often be kept in production through third-party maintenance providers. Cisco no longer issues software fixes, TAC support, or hardware replacement for it.