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.
Scores
CVSS v3
7.5
EPSS
0.0035
EPSS Percentile
57.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-665
Status
published
Products (3)
mitsubishielectric/fx3u-enet-l_firmware
< 1.16
mitsubishielectric/fx3u-enet-p502_firmware
< 1.16
mitsubishielectric/fx3u-enet_firmware
< 1.16
Published
Jan 14, 2022
Tracked Since
Feb 18, 2026