CVE-2021-33011
https://notcve.org/view.php?id=CVE-2021-33011
All versions of the afffected TOYOPUC-PC10 Series,TOYOPUC-Plus Series,TOYOPUC-PC3J/PC2J Series, TOYOPUC-Nano Series products may not be able to properly process an ICMP flood, which may allow an attacker to deny Ethernet communications between affected devices. Todas las versiones de los productos afectados de la serie TOYOPUC-PC10, la serie TOYOPUC-Plus, la serie TOYOPUC-PC3J/PC2J y la serie TOYOPUC-Nano podrían no ser capaces de procesar apropiadamente una ICMP flood, que podría permitir a un atacante denegar las comunicaciones Ethernet entre los dispositivos afectados • https://us-cert.cisa.gov/ics/advisories/icsa-21-245-02 • CWE-770: Allocation of Resources Without Limits or Throttling •
CVE-2021-27477
https://notcve.org/view.php?id=CVE-2021-27477
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. Cuando JTEKT Corporation TOYOPUC PLC versiones 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 y PC10GE reciben una trama no válida, el área exterior de un búfer de recepción para FL-net se sobrescribe. Como resultado, la CPU del PLC detecta un error del sistema y los productos afectados se detienen • https://us-cert.cisa.gov/ics/advisories/icsa-21-180-04 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-787: Out-of-bounds Write •