TP-LINK Device authentication error connect | TP-Link cloud password not accepted after firmware 1.4.4 build 260515 rel 24570n #174623

The problem

After firmware update 1.4.4 build 260515 rel 24570n for TP-LINK C220, Home Assistant need more authentication on TP-Link cloud, but the correct password (works correctly on https tplink cloud site) is non accepted on handshake.

What version of Home Assistant Core has the issue?

2026.6.4

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant OS

Integration causing the issue

TP-Link Smart Home

Link to integration documentation on our website

No response

Diagnostics information

Registratore: homeassistant.components.tplink
Fonte: config_entries.py:822
Integrazione: TP-Link Smart Home (documentazione, problemi)
Prima occorrenza: 11:20:37 (2 occorrenze)
Ultimo accesso: 11:22:44

Config entry 'Sala Cam C220' for tplink integration could not authenticate: Device authentication error connect: Error trying handshake1: {'error_code': -40211}
Config entry 'Sala Cam C220' for tplink integration could not authenticate: Device authentication error connect: Credentials must be supplied to connect to 192.168.1.22

Registratore: kasa.transports.sslaestransport
Fonte: components/tplink/config_flow.py:720
Prima occorrenza: 11:22:44 (10 occorrenze)
Ultimo accesso: 11:29:40

Device 192.168.1.21 received unknown error code: -40211

Example YAML snippet

Anything in the logs that might be useful for us?

Additional information

No response