The Toshiba FlashAir SD-WD/WC series Class 6 model with firmware version 1.00.04 and later, FlashAir SD-WD/WC series Class 10 model W-02 with firmware version 2.00.02 and later, FlashAir SD-WE series Class 10 model W-03, FlashAir Class 6 model with firmware version 1.00.04 and later, FlashAir II Class 10 model W-02 series with firmware version 2.00.02 and later, FlashAir III Class 10 model W-03 series, FlashAir Class 6 model with firmware version 1.00.04 and later, FlashAir W-02 series Class 10 model with firmware version 2.00.02 and later, FlashAir W-03 series Class 10 model does not require authentication on accepting a connection from STA side LAN when "Internet pass-thru Mode" is enabled, which allows attackers with access to STA side LAN can obtain files or data.