[Suggested description] An issue was discovered on Epson Expression Home XP255 20.08.FM10I8 devices. By default, the device comes (and functions) without a password. The user is at no point prompted to set up a password on the device (leaving a number of devices without a password). In this case, anyone connecting to the web admin panel is capable of becoming admin without using any credentials. ------------------------------------------ [Vulnerability Type] Incorrect Access Control ------------------------------------------ [Vendor of Product] Epson ------------------------------------------ [Affected Product Code Base] Expression Home XP255 - 20.08.FM10I8 ------------------------------------------ [Affected Component] Web admin panel ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Escalation of Privileges] true ------------------------------------------ [Attack Vectors] The attacker needs to have access to port 80/TCP (the webserver) of the device. ------------------------------------------ [Has vendor confirmed or acknowledged the vulnerability?] true ------------------------------------------ [Discoverer] Konrad Leszczynski, intern at Qbit in collaboration with the Dutch consumer organisation. ------------------------------------------ [Reference] https://epson.com/Support/sl/s Use CVE-2019-20458.