CVE-2021-33011

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-10 · updated 2026-06-17
Weakness: CWE-770

Description

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.

Affected products

Jtekt 2Port-Efr Thu-6404 Firmware: all versions
Jtekt Ef10 Tcu-6982 Firmware: all versions
Jtekt Fl/Et-T-V2H Thu-6289 Firmware: all versions
Jtekt Nano 10Gx Tuc-1157 Firmware: all versions
Jtekt Nano 2Et Tuu-6949 Firmware: all versions
Jtekt Nano Cpu Tuc-6941 Firmware: all versions
Jtekt Nano Safety Rs00Ip Tuu-1086 Firmware: all versions
Jtekt Nano Safety Rs01Ip Tuu-1087 Firmware: all versions
Jtekt Nano Safety Tuc-1085 Firmware: all versions
Jtekt Pc10B-E/C Tcu-6521 Firmware: all versions
Jtekt Pc10B-P Tcc-6373 Firmware: all versions
Jtekt Pc10B Tcc-1021 Firmware: all versions
Jtekt Pc10E Tcc-4637 Firmware: all versions
Jtekt Pc10G-Cpu Tcc-6353 Firmware: all versions
Jtekt Pc10Ge Tcc-6464 Firmware: all versions
Jtekt Pc10P-Dp-Io Tcc-6752 Firmware: all versions
Jtekt Pc10P-Dp Tcc-6726 Firmware: all versions
Jtekt Pc10P Tcc-6372 Firmware: all versions
Jtekt Pc10Pe-1616P Tcc-1102 Firmware: all versions
Jtekt Pc10Pe Tcc-1101 Firmware: all versions
Jtekt Plus 2P-Efr Tcu-6929 Firmware: all versions
Jtekt Plus Bus-Ex Tcu-6900 Firmware: all versions
Jtekt Plus Cpu Tcc-6740 Firmware: all versions
Jtekt Plus Efr2 Tcu-6859 Firmware: all versions
Jtekt Plus Efr Tcu-6743 Firmware: all versions
Jtekt Plus Ex2 Tcu-6858 Firmware: all versions
Jtekt Plus Ex Tcu-6741 Firmware: all versions

References

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