Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mitsubishi Electric | MELSEC iQ-F series FX5U(C) CPU unit | firmware version 1.060 and earlier | — |
Advisories 1
- ICSA-20-345-01 Mitsubishi Electric MELSEC iQ-F Series CISA ICS & IT advisories · Dec 10, 2020