Denial-of-Service Vulnerability in MELSEC iQ-F Series FX5U(C) CPU Unit Firmware

CVE-2020-5665 · HIGH Severity

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Improper check or handling of exceptional conditions in MELSEC iQ-F series FX5U(C) CPU unit firmware version 1.060 and earlier allows an attacker to cause a denial-of-service (DoS) condition on program execution and communication by sending a specially crafted ARP packet.

Learn more about our Web Application Penetration Testing UK.