Description
Improper initialization vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.16 and prior, FX3U-ENET-L Firmware version 1.16 and prior and FX3U-ENET-P502 Firmware version 1.16 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product by sending specially crafted packets. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | MELSEC-F series FX3U-ENET; MELSEC-F series FX3U-ENET-L; MELSEC-F series FX3U-ENET-P502 | Firmware version 1.16 and prior | — |
Advisories 1
- ICSA-22-013-07 Mitsubishi Electric MELSEC-F Series CISA ICS & IT advisories · Jan 13, 2022