CVE-2026-11826 | openplcproject OpenPLC 3 Modbus Master modbus_master.cpp getData device_name buffer overflow (EUVD-2026-45380)

A vulnerability identified as . The affected element is the function getData of the file webserver/core/modbus_master.cpp of the component Modbus Master. Performing a manipulation of the argument device_name results in buffer overflow.

This vulnerability is reported as CVE-2026-11826. The attack is possible to be carried out remotely. No exploit exists.