# CR1900 1.0 — Consumer router firmware support — end-of-life status and dates by vendor and model

For CR1900 1.0, vendor is TP-Link; end of firmware/security support is 8/14/2019, recorded from its source on 2026-08-11.

- **Vendor:** TP-Link _(our reading, not quoted from the source)_
- **Model:** CR1900 1.0 _(verified: appears in the quote below)_
- **End of firmware/security support:** 8/14/2019 _(verified: appears in the quote below)_

## What the source says

> Router AC1900 Wireless Dual Band CR1900 1.0 US DOCSIS 3.0 Cable Modem 2/15/2019 8/14/2019

## Sources disagree

More than one authority states this, and they do not state the same
thing. Both are reproduced with the source each came from.

### End of firmware/security support

static.tp-link.com says end of firmware/security support is **8/14/2019**, as of 2026-08-11.

> Router AC1900 Wireless Dual Band CR1900 1.0 US DOCSIS 3.0 Cable Modem 2/15/2019 8/14/2019

Source: https://static.tp-link.com/upload/manual/2026/202606/20260624/US%20EOL_List_Home%20-%20V8.1.pdf

static.tp-link.com says end of firmware/security support is **10/1/2019**, as of 2026-08-11.

> AC1900 Wireless Dual Band DOCSIS 3.0 Cable Modem 4/1/2020 CR1900 1.0 US Router 10/1/2019

Source: https://static.tp-link.com/upload/manual/2026/202606/20260624/US%20EOL_List_Home%20-%20V8.1.pdf


## Source

- https://static.tp-link.com/upload/manual/2026/202606/20260624/US%20EOL_List_Home%20-%20V8.1.pdf

Last verified: 2026-08-11. Review by: 2026-11-09.
Part of [Consumer router firmware support — end-of-life status and dates by vendor and model](https://referencesource.org/router-firmware-support-status/).