CVE-2019-15802 decrypter The Zyxel firmware for the GS1900 switches, at least version 240(AAHH2)C0, contains a hardcoded parameters which are used for AES256-CBC encryption an decryption of passwords These parameters (IV, salt and password) are fixed for all devices running the firmware salt[] = "1A3BB2F78D6EC7D8"; iv[32] = "2268BA68768B58C3687D4F205923A741&q