A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.
Weakness
The product does not handle or incorrectly handles an exceptional condition.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Modicon_m580_firmware | Schneider-electric | * | * |