Ruijie RG-EG350 HTTP POST Request vpnAction os command injection

A vulnerability, which was classified as critical, has been found in Ruijie RG-EG350 up to 20240318. Affected by this issue is the function vpnAction of the file /itbox_pi/vpn_quickset_service.php?a=set_vpn of the component HTTP POST Request Handler. The manipulation of the argument ip/port/user/pass/dns/startIp leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-257978 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.