A vulnerability exists in the RTU500 that allows for authenticated and authorized users to bypass secure update. If a malicious actor successfully exploits this vulnerability, they could use it to update the RTU500 with unsigned firmware.

A vulnerability exists in the stb-language file handling that affects the RTU500 series product versions listed below. A malicious actor could enforce diagnostic texts being displayed as empty strings, if an authorized user uploads a specially crafted stb-language file.

A vulnerability exists in the stb-language file handling that affects the RTU500 series product versions listed below. A malicious actor could print random memory content in the RTU500 system log, if an authorized user uploads a specially crafted stb-language file.