The vulnerability of Modicon microprogrammed controllers lies in the lack of checks for the integrity of updates to the embedded software. This allows a malicious entity to download the update without the presence of the software via FTP protocol, thereby causing service failure.

The vulnerability of Modicon microprogrammed controllers lies in the lack of checks for the integrity of updates to the embedded software. Exploiting this vulnerability allows a malicious actor to download updates to the embedded software without any interaction with the software via FTP protocol...