CVE-2023-3346
Denial of Service (DoS) and Remote Code Execution Vulnerability in MITSUBISHI CNC Series
- Published
- Updated
- Reserved
- Assigned by
- Mitsubishi
Description
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and execute arbitrary code on the product by sending specially crafted packets. In addition, system reset is required for recovery.
Timeline
ID reserved
By Mitsubishi
- 43 days later
· 43 days later
Published
- 16 months later
· 16 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| MitsubishiCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.1% · top 18% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
Mitsubishi Electric Corporation · MITSUBISHI CNC M800V Series M800VW
- affected System Number BND-2051W000 versions A8 and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M800V Series M800VS
- affected System Number BND-2052W000 versions A8 and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M80V Series M80V
- affected System Number BND-2053W000 versions A8 and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M80V Series M80VW
- affected System Number BND-2054W000 versions A8 and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M800 Series M800W
- affected System Number BND-2005W000 versions FB and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M800 Series M800S
- affected System Number BND-2006W000 versions FB and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M80 Series M80
- affected System Number BND-2007W000 versions FB and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M80 Series M80W
- affected System Number BND-2008W000 versions FB and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC E80 Series E80
- affected System Number BND-2009W000 versions FB and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC C80 Series C80
- affected System Number BND-2036W000 versions BF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M700V Series M720VW
- affected System Number BND-1015W000 versions LF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M700V Series M730VW
- affected System Number BND-1015W000 versions LF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M700V Series M750VW
- affected System Number BND-1015W002 versions LF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M700V Series M720VS
- affected System Number BND-1012W000 versions LF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M700V Series M730VS
- affected System Number BND-1012W000 versions LF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M700V Series M750VS
- affected System Number BND-1012W002 versions LF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC M70V Series M70V
- affected System Number BND-1018W000 versions LF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC E70 Series E70
- affected System Number BND-1022W000 versions LF and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC IoT Unit Remote Service Gateway Unit
- affected System Number BND-2041W001 versions AD and prior
Mitsubishi Electric Corporation · MITSUBISHI CNC IoT Unit Data Acquisition Unit
- affected System Number BND-2041W002 all versions
References (3)
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-007_en.pdf (opens in a new tab)vendor-advisoryx_transferred
- https://jvn.jp/vu/JVNVU90352157/index.html (opens in a new tab)government-resourcex_transferred
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-208-03 (opens in a new tab)government-resourcex_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-3346)Record last updated .