CVE-2019-6843

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 with firmware version prior to V3.10, Modicon M340 all firmware versions, and Modicon BMxCRA and 140CRA modules all firmware versions, which could cause a Denial of Service attack on the PLC when upgrading...

CVE-2019-6843

CVE-2019-6843 affects Schneider Electric Modicon controllers: M580 (firmware before v3.10), M340 (all firmware versions), and BMxCRA/140CRA (all firmware). The root cause is an improper handling during FTP-based firmware upgrades, where an empty firmware image can trigger a recoverable fault, cau...