critical9.8
CVE-2018-20818
A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions.
Impact
A buffer overflow vulnerability was discovered in the OpenPLC controller, in the OpenPLC_v2 and OpenPLC_v3 versions. It occurs in the modbus.cpp mapUnusedIO() function, which can cause a runtime crash of the PLC or possibly have unspecified other impact.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openplcproject | Openplc V2 Firmware | All versions |
| Openplcproject | Openplc V3 Firmware | All versions |