C100 (V4.6)

Key dates

Release

By July 2023 at the latest

The maker gives no launch date. This is the month of the first update: the launch was in it or before.

Last update

June 18, 2026 · version 1.9.1 Build 260519

End of support

No end date

Estimated end

July 2027 · estimate

The maker’s policy says security updates usually end 3 years after discontinuation.

Discontinued in the US

July 11, 2024

Source·TP-Link (opens in a new tab)·checked November 13, 2026

Firmware updates

Updates I found on the maker’s pages, from July 2023 to June 2026. I read the notes of 9 of these updates and found security changes in 4.

2026-06-18

1.9.1 Build 260519 Security, new features or improvements

2025-08-13

1.4.2 Build 250705 New features or improvements

2024-12-30

1.4.0 Build 241205 Bug fixes, new features or improvements

2024-07-03

1.3.14 Build 240513 Bug fixes, new features or improvements

2023-12-01

1.3.11 Build 231121 New features or improvements

Sources

• TP-Link (opens in a new tab) End-of-sale listlast verified November 13, 2026
• TP-Link (opens in a new tab) Firmware downloadslast verified October 15, 2026