# CVE-2025-59668

## Summary

- **CVE ID:** CVE-2025-59668
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-476
- **Published:** Sep 30, 2025
- **Last Modified:** Mar 13, 2026

## Description

Multiple versions of Central Monitor CNS-6201 contain a NULL pointer dereference vulnerability. When processing a crafted certain UDP packet, the affected device may abnormally terminate.

## Affected Products

- NIHON KOHDEN CORPORATION — Central Monitor CNS-6201 (01-03)
- NIHON KOHDEN CORPORATION — Central Monitor CNS-6201 (01-04)
- NIHON KOHDEN CORPORATION — Central Monitor CNS-6201 (01-05)
- NIHON KOHDEN CORPORATION — Central Monitor CNS-6201 (01-06)
- NIHON KOHDEN CORPORATION — Central Monitor CNS-6201 (02-10)
- NIHON KOHDEN CORPORATION — Central Monitor CNS-6201 (02-11)
- NIHON KOHDEN CORPORATION — Central Monitor CNS-6201 (and 02-40)

## References

- [CNA](https://www.nihonkohden.com/security.html)
- [CNA](https://jvn.jp/en/vu/JVNVU96989989/)
- [CVE](https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-296-01)
- [CVE](https://www.nihonkohden.com/security/main/01112/teaserItems3/0/linkList/0/link/NKcorporateResponse-CNS-6201_CentralMonitor_Vulnerability(CVE-2025-59668)_en_Rev2.pdf)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.48%
- **EPSS Percentile:** 39.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._