C520WS (V2.6)

Key dates

Release

By March 2025 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

August 4, 2026 · version 1.2.7 Build 260716

End of support

No end date

Estimated end

February 2028 · estimate

Marked “Likely ended (estimate)” if no update by then

Firmware updates

Updates I found on the maker’s pages, from March 2025 to August 2026. I read the notes of 8 of these updates and found security changes in 6.

2026-08-04

1.2.7 Build 260716 Security

2026-06-05

1.2.6 Build 260528 Security

2026-03-27

1.2.4 Build 260326 Security

2026-01-21

1.2.3 Build 251114 Security, new features or improvements

2025-10-15

1.2.1 Build 250911 Security, new features or improvements

Sources

• TP-Link (opens in a new tab) Firmware downloadslast verified October 15, 2026
• Vulnerability data: vendor security bulletins, CISA Known Exploited Vulnerabilities catalog, NVD, FIRST EPSSas of November 13, 2026 · Data sources