A vulnerability was found in EFM ipTIME A8004T 14.18.2 . It has been rated as critical . This vulnerability affects the function formWifiBasicSet of the file /goform/WifiBasicSet . The manipulation of the argument security_5g leads to stack-based buffer overflow. This vulnerability is listed as CVE-2026-8234 . The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.