CVE-2021-20719
RFNTPS firmware versions System_01000004 and earlier, and Web_01000004 and earlier allow an attacker on the same network segment to execute arbitrary OS commands with a root privilege via unspecified vectors.
Date published : 2021-05-19
https://jvn.jp/en/jp/JVN13076220/index.html
https://www.nippon-antenna.co.jp/ja/news/news/news8217702780390204428.html