EFM ipTIME C200E v1.094 suffers CRITICAL OS command injection (CVE-2026-90847, CVSS 9.4) via iux_set.cgi. Remotely exploitable, public exploit available. Restrict device access and monitor. https://radar.offseq.com/threat/cve-2026-90847-os-command-injection-in-efm-iptime-c200e-1c30057b126bbbf4 #OffSeq #Vulnerability #IoTSecurity #CVE