A flaw has been found in RaspAP raspap-webgui up to 3.5.5. Affected is the function WiFiManager::writeWpaSupplicant of the file src/RaspAP/Networking/Hotspot/WiFiManager.php of the component SSID Processing. This manipulation of the argument ssid causes os command injection. The attack can be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.