A vulnerability identified as critical has been detected in EFM ipTIME C200 up to 1.092 . This vulnerability affects the function sub_408F90 of the file /cgi/iux_set.cgi of the component ApplyRestore Endpoint . This manipulation of the argument RestoreFile causes command injection. This vulnerability is handled as CVE-2026-7833 . The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.