In Mitsubishi Electric MELSEC-Q series Ethernet module QJ71E71-100 serial number 20121 and prior, an attacker could send crafted TCP packets against the FTP service, forcing the target devices to enter an error mode and cause a denial-of-service condition.
[
{
"product": "MELSEC-Q series Ethernet module",
"vendor": "Mitsubishi Electric",
"versions": [
{
"status": "affected",
"version": "QJ71E71-100 serial number 20121 and prior"
}
]
}
]