Exposure of Sensitive Information to an Unauthorized Actor
b_banner.stm (aka the login page) on the Deutsche Telekom Speedport W500 DSL router allows remote attackers to obtain the logon password by reading the pwd field in the HTML source.
CWE-200 - Information Exposure
An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.