Try using the Custom TAPO integration. Some of the newer Kasa devices uses the TAPO protocol and security. The Custom Tapo integration is Local only but uses your credentials for local security.
Link: [RELEASE] TP-LINK TAPO Plug, Switch, Bulb, Hub and Robovac Integration
Note: The EP25 is one of the devices that Kasa is "Remodeling" to the TAPO protocol. Below is a list of these products (latest hardware versions are what are changing). Causes mass confusion.
SMART_TAPO_REMODEL_KASA_HUB_KH100 (works with Kasa TRV)
SMART_TAPO_REMODEL_KASA_PLUG_EP25
SMART_TAPO_REMODEL_KASA_PLUG_KP125M (Matter)
SMART_TAPO_REMODEL_KASA_POWER_STRIP_EP40M
SMART_TAPO_REMODEL_KASA_SWITCH_HS200
SMART_TAPO_REMODEL_KASA_SWITCH_HS220 (Dimmer)
SMART_TAPO_REMODEL_KASA_SWITCH_KS205 (Matter)
SMART_TAPO_REMODEL_KASA_SWITCH_KS225 (Dimmer, Matter)
SMART_TAPO_REMODEL_KASA_SWITCH_KS240 (Dual Fan Control/Dimmer)
