Critical severity10.0NVD Advisory· Published May 24, 2023· Updated Jun 17, 2026

CVE-2023-1424

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELSEC iQ-R Series CPU modules allows a remote unauthenticated attacker to cause a denial of service (DoS) condition or execute malicious code on a target product by sending specially crafted packets. A system reset of the product is required for recovery from a denial of service (DoS) condition and malicious code execution.

AI Insight

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

Affected products

Mitsubishielectric/Melsec Iq Fx5u 32mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-32mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 32mr\/dss Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-32mr\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 32mr\/es Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-32mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 32mr\/ess Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-32mr\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 32mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-32mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 32mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-32mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 32mt\/es Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-32mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 32mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-32mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 64mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-64mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 64mr\/dss Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-64mr\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 64mr\/es Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-64mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 64mr\/ess Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-64mr\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 64mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-64mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 64mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-64mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 64mt\/es Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-64mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 64mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-64mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 80mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-80mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 80mr\/dss Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-80mr\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 80mr\/es Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-80mr\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 80mr\/ess Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-80mr\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 80mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-80mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 80mt\/dss Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-80mt\/dss_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 80mt\/es Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-80mt\/es_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5u 80mt\/ess Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5u-80mt\/ess_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 32mr\/dds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mr\/dds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 32mr\/ds Ts Firmware2 versions
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mr\/ds-ts_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mr\/ds-ts_firmware:-:*:*:*:*:*:*:*
- (no CPE)range: versions from 1.220 to 1.281
Mitsubishielectric/Melsec Iq Fx5uc 32mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 32mt\/dds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mt\/dds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 32mt\/ds Ts Firmware2 versions
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mt\/ds-ts_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mt\/ds-ts_firmware:-:*:*:*:*:*:*:*
- (no CPE)range: versions from 1.220 to 1.281
Mitsubishielectric/Melsec Iq Fx5uc 32mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 32mt\/dss Ts Firmware2 versions
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mt\/dss-ts_firmware:-:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-32mt\/dss-ts_firmware:-:*:*:*:*:*:*:*
- (no CPE)range: versions from 1.220 to 1.281
Mitsubishielectric/Melsec Iq Fx5uc 64mr\/dds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-64mr\/dds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 64mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-64mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 64mt\/dds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-64mt\/dds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 64mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-64mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 96mr\/dds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-96mr\/dds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 96mr\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-96mr\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 96mt\/dds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-96mt\/dds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/Melsec Iq Fx5uc 96mt\/ds Firmware
cpe:2.3:o:mitsubishielectric:melsec_iq-fx5uc-96mt\/ds_firmware:-:*:*:*:*:*:*:*
Mitsubishielectric/MELSECllm-create
Mitsubishielectric/MELSEC iQ-F Series CPU modulellm-fuzzy
Mitsubishielectric/MELSEC iQ-F Series FX5-ENETcpe-rescue21 versions
Serial number 17X**** or later, versions from 1.220 to 1.281+ 20 more
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishielectric/MELSEC iQ-F Series FX5Ucpe-rescue3 versions
Serial number 17X**** or later, versions from 1.220 to 1.281+ 2 more
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
- (no CPE)range: Serial number 17X**** or later, versions from 1.220 to 1.281
Mitsubishielectric/MELSEC iQ-R Seriescpe-rescue21 versions
versions 35 and prior+ 20 more
- (no CPE)range: versions 35 and prior
- (no CPE)range: versions 35 and prior
- (no CPE)range: versions 35 and prior
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 3 to 37
- (no CPE)range: versions from 26 to 31
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 3 to 37
- (no CPE)range: versions from 26 to 31
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 3 to 37
- (no CPE)range: versions from 26 to 31
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 12 to 68
- (no CPE)range: versions from 3 to 37
- (no CPE)range: versions from 26 to 31

Patches

Vulnerability mechanics

References

www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-003_en.pdfnvdPatchVendor Advisory
jvn.jp/vu/JVNVU94650413nvdThird Party Advisory
www.cisa.gov/news-events/ics-advisories/icsa-23-143-03nvdThird Party AdvisoryUS Government Resource
www.talosintelligence.com/vulnerability_reports/TALOS-2023-1727nvd

News mentions

No linked articles in our index yet.

cvss	0.650
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000