QNAP MusicStation (5M+ installs) and MalwareRemover (pre-installed and
"non-removable") official apps are affected by an arbitrary file upload
and a command injection vulnerabilities, leading to pre-auth remote
command execution with root privileges on the NAS.

QNAP has already released updates with patches in April.

The technical details are available at
https://www.shielder.it/advisories/qnap-musicstation-malwareremover-pre-auth-remote-code-execution/

-- 
polict
Research team director @ Shielder Srl
polict@shielder.it