脆弱性には気を付けないとね。ちなみにSynologyの脆弱性はダントツに多いみたいですよ。
ユーザー数が多い方がレポート増えますが、他のメーカーも普通にユーザー多いです。(AsustorとDroboは微妙)

https://www.cvedetails.com/vendor/11138/Synology.html
https://www.cvedetails.com/vendor/10080/Qnap.html
https://www.cvedetails.com/vendor/834/Netgear.html
https://www.cvedetails.com/vendor/18042/Asustor.html
https://www.cvedetails.com/vendor/19512/Drobo.html

https://jvndb.jvn.jp/search/index.php?mode=_vulnerability_search_IA_VulnSearch&;lang=ja&useSynonym=1&keyword=Synology
https://jvndb.jvn.jp/search/index.php?mode=_vulnerability_search_IA_VulnSearch&;lang=ja&useSynonym=1&keyword=QNAP
https://jvndb.jvn.jp/search/index.php?mode=_vulnerability_search_IA_VulnSearch&;lang=ja&useSynonym=1&keyword=NetGear
https://jvndb.jvn.jp/search/index.php?mode=_vulnerability_search_IA_VulnSearch&;lang=ja&useSynonym=1&keyword=Asustor
https://jvndb.jvn.jp/search/index.php?mode=_vulnerability_search_IA_VulnSearch&;lang=ja&useSynonym=1&keyword=Drobo