A vulnerability categorized as critical has been discovered in debevv nanoMODBUS up to 1.23.0. The impacted element is the function nmbs_read_device_identification_basic of the file nanomodbus.c of the component Modbus Handler. The manipulation of the argument object_id results in out-of-bounds read.

This vulnerability is cataloged as CVE-2026-71256. The attack may be launched remotely. There is no exploit available.