If you believe you have found a security vulnerability in a Pow-K, Pow-U or Pow-P1 reader, the amsreader firmware or the amsleser.cloud service, report it privately on GitHub:
Do not report security vulnerabilities as public issues. If you cannot use GitHub, e-mail post (at) amsleser.no with the subject "Security vulnerability".
See our security policy for how reports are handled.
Ordinary bugs and feature requests: GitHub issues