ISR 870 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.
No. Cisco's last date of support for C887VAM-W-E-K9 was Dec 2016 (per the Cisco EOL bulletin) — it is past end of service life.
C887VAM-W-E-K9 reached end of sale Dec 2011, per the Cisco EOL bulletin.
Dec 2016 — per the Cisco EOL bulletin.
After the last date of support, C887VAM-W-E-K9 units can often be kept in production through third-party maintenance providers. Cisco no longer issues software fixes, support, or hardware replacement for it.