High severity7.5NVD Advisory· Published Dec 23, 2022· Updated Jun 17, 2026

CVE-2022-33324

Description

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU Firmware versions "32" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions "65" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versions "29" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120PSFCPU Firmware versions "08" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R12CCPU-V Firmware versions "17" and prior, Mitsubishi Electric Corporation MELSEC iQ-L Series L04/08/16/32HCPU Firmware versions "05" and prior and Mitsubishi Electric Corporation MELIPC Series MI5122-VW Firmware versions "07" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition in Ethernet communication on the module by sending specially crafted packets. A system reset of the module is required for recovery.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mitsubishielectric/MELSEC iQ-R Seriescpe-rescue26 versions
Firmware versions "32" and prior+ 25 more
- (no CPE)range: Firmware versions "32" and prior
- (no CPE)range: Firmware versions "32" and prior
- (no CPE)range: Firmware versions "32" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "65" and prior
- (no CPE)range: Firmware versions "29" and prior
- (no CPE)range: Firmware versions "29" and prior
- (no CPE)range: Firmware versions "29" and prior
- (no CPE)range: Firmware versions "29" and prior
- (no CPE)range: Firmware versions "17" and prior
- (no CPE)range: Firmware versions "05" and prior
- (no CPE)range: Firmware versions "05" and prior
- (no CPE)range: Firmware versions "05" and prior
- (no CPE)range: Firmware versions "05" and prior
- (no CPE)range: Firmware versions "08" and prior
- (no CPE)range: Firmware versions "08" and prior
- (no CPE)range: Firmware versions "08" and prior
- (no CPE)range: Firmware versions "08" and prior
Mitsubishielectric/Melsec Iq R R00 Cpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r00_cpu_firmware:*:*:*:*:*:*:*:*
Range: <33.0
Mitsubishielectric/Melsec Iq R R01 Cpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r01_cpu_firmware:*:*:*:*:*:*:*:*
Range: <33.0
Mitsubishielectric/Melsec Iq R R02 Cpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r02_cpu_firmware:*:*:*:*:*:*:*:*
Range: <33.0
Mitsubishielectric/Melsec Iq R R04 Cpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r04_cpu_firmware:*:*:*:*:*:*:*:*
Range: <66.0
Mitsubishielectric/Melsec Iq R R08 Cpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r08_cpu_firmware:*:*:*:*:*:*:*:*
Range: <66.0
Mitsubishielectric/Melsec Iq R R16 Cpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r16_cpu_firmware:*:*:*:*:*:*:*:*
Range: <66.0
Mitsubishielectric/Melsec Iq R R32 Cpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r32_cpu_firmware:*:*:*:*:*:*:*:*
Range: <66.0
Mitsubishielectric/Melsec Iq R R120 Cpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r120_cpu_firmware:*:*:*:*:*:*:*:*
Range: <66.0
Mitsubishielectric/Melsec Iq R R04 Sfcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r04_sfcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq R R08 Sfcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r08_sfcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq R R120 Sfcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r120_sfcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq R R16 Sfcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r16_sfcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq R R32 Sfcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r32_sfcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq R R12 Ccpu V Firmware
cpe:2.3:o:mitsubishi:melsec_iq-r_r12_ccpu-v_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melipc Mi5122 Vw Firmware
cpe:2.3:o:mitsubishi:melipc_mi5122-vw_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq L L04 Hcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-l_l04_hcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq L L08 Hcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-l_l08_hcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq L L16 Hcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-l_l16_hcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq L L32 Hcpu Firmware
cpe:2.3:o:mitsubishi:melsec_iq-l_l32_hcpu_firmware:*:*:*:*:*:*:*:*
Mitsubishielectric/MELIPC Series MI5122-VWcpe-rescue
Range: Firmware versions "07" and prior
Mitsubishielectric/MELSEC iQ-R Series R00/01/02CPU Firmwarellm-create
Range: <=32
Mitsubishielectric/MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmwarellm-create
Range: <=65
Mitsubishielectric/MELSEC iQ-R Series R12CCPU-V Firmwarellm-create
Range: <=17
Mitsubishielectric/MELSEC iQ-R Series R08/16/32/120SFCPU Firmwarellm-create
Range: <=29
Mitsubishielectric/MELIPC Series MI5122-VW Firmwarellm-create
Range: <=07
Mitsubishielectric/MELSEC iQ-L Series L04/08/16/32HCPU Firmwarellm-create
Range: <=05

Patches

Vulnerability mechanics

References

www.cisa.gov/uscert/ics/advisories/icsa-22-356-03nvdPatchThird Party AdvisoryUS Government Resource
jvn.jp/vu/JVNVU96883262nvdThird Party Advisory
www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2022-018_en.pdfnvdVendor Advisory

News mentions

No linked articles in our index yet.

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