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) conditio
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…
| Vendor | Product | Versions |
|---|---|---|
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-32MT/ES — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-64MT/ES — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-80MT/ES — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-32MR/ES — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-64MR/ES — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-80MR/ES — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-32MT/DS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-64MT/DS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-80MT/DS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-32MR/DS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-64MR/DS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-80MR/DS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-32MT/ESS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-64MT/ESS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-80MT/ESS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-32MT/DSS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-64MT/DSS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5U-80MT/DSS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-32MT/D — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-64MT/D — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-96MT/D — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-32MT/DSS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-64MT/DSS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-96MT/DSS — Serial number 17X**** or later, versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-32MT/DS-TS — versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-32MT/DSS-TS — versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | F Series FX5UC-32MR/DS-TS — versions from 1.220 to 1.281 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R00CPU — versions 35 and prior |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R01CPU — versions 35 and prior |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R02CPU — versions 35 and prior |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R04CPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R08CPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R16CPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R32CPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R120CPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R04ENCPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R08ENCPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R16ENCPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R32ENCPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R120ENCPU — versions from 12 to 68 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R08SFCPU — versions from 26 to 31 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R16SFCPU — versions from 26 to 31 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R32SFCPU — versions from 26 to 31 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R120SFCPU — versions from 26 to 31 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R08PCPU — versions from 3 to 37 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R16PCPU — versions from 3 to 37 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R32PCPU — versions from 3 to 37 |
| Mitsubishi Electric Corporation | MELSEC iQ | R Series R120PCPU — versions from 3 to 37 |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.