Description
When JTEKT Corporation TOYOPUC PLC versions PC10G-CPU, 2PORT-EFR, Plus CPU, Plus EX, Plus EX2, Plus EFR, Plus EFR2, Plus 2P-EFR, PC10P-DP, PC10P-DP-IO, Plus BUS-EX, Nano 10GX, Nano 2ET,PC10PE, PC10PE-16/16P, PC10E, FL/ET-T-V2H, PC10B,PC10B-P, Nano CPU, PC10P, and PC10GE receive an invalid frame, the outside area of a receive buffer for FL-net are overwritten. As a result, the PLC CPU detects a system error, and the affected products stop.
References (1)
Core 1
Core References
Third Party Advisory, US Government Resource x_refsource_misc
https://us-cert.cisa.gov/ics/advisories/icsa-21-180-04
Scores
CVSS v3
7.5
EPSS
0.0112
EPSS Percentile
62.2%
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-119
CWE-787
Status
published
Products (22)
jtekt/2port-efr_firmware
< 1.50
jtekt/fl\/et-t-v2h_firmware
< f2.8_e1.5
jtekt/nano_10gx_firmware
< 3.00
jtekt/nano_2et_firmware
< 2.40
jtekt/nano_cpu_firmware
< 2.08
jtekt/pc10b-p_firmware
< 1.11
jtekt/pc10b_firmware
< 1.11
jtekt/pc10e_firmware
< 1.02
jtekt/pc10g-cpu_firmware
< 3.91
jtekt/pc10ge_firmware
< 1.04
... and 12 more
Published
Jul 01, 2021
Tracked Since
Feb 18, 2026