C320WS (V2.6)

Key dates

Release

By February 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

October 10, 2026 · version 1.6.6 Build 260917

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 February 2023 to October 2026. I read the notes of 12 of these updates and found security changes in 3.

2026-10-10

1.6.6 Build 260917 Security

2026-05-12

1.6.3 Build 260423 Security, new features or improvements

2026-03-20

1.5.3 Build 260304 New features or improvements

2025-05-30

1.3.5 Build 250522 Security, bug fixes, new features or improvements

2025-04-23

1.2.4 Build 250305 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 25, 2026
• Vulnerability data: vendor security bulletins, CISA Known Exploited Vulnerabilities catalog, NVD, FIRST EPSSas of November 13, 2026 · Data sources