3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Plcwinnt | Codesys | * | 2.4.7.54 (excluding) |
| Runtime_toolkit | Codesys | * | 2.4.7.54 (excluding) |
| Sp_realtime_nt | Codesys | * | 2.3.7.28 (excluding) |