Netcommunity OG410X and OG810X series (Netcommunity OG410Xa, OG410Xi, OG810Xa, and OG810Xi firmware Ver.2.28 and earlier) allow an attacker on the adjacent network to execute an arbitrary OS command via a specially crafted config file.
https://www.ntt-west.co.jp/smb/kiki_info/info/220322.html