CVE-2025-59668: Multiple versions of Central Monitor CNS-6201 contain a NULL pointer dereference vulnerability
Source GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 29 Oct 2026, 23:30 UTC
Thin evidence
One scorer or none| CNA (jpcert) | CVSS 3.0 | 7.5 |
|---|---|---|
| CNA (jpcert) | CVSS 4.0 | 8.7 |
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 30 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
AI-suggested
Until a fix is available, consider network-level protections such as filtering or rate-limiting UDP packets to the affected device to reduce exposure to crafted packets that could trigger the crash.
Description
Multiple versions of Central Monitor CNS-6201 are affected by a NULL pointer dereference vulnerability. This flaw can cause the device to crash or terminate abnormally when processing a specially crafted UDP packet. The vulnerability has a high severity rating with a CVSS score of 7.5, indicating a significant impact on availability but no confidentiality or integrity loss.
References
- nvd.nist.gov/vuln/detail/CVE-2025-59668 (opens in a new tab)
- jvn.jp/en/vu/JVNVU96989989 (opens in a new tab)
- cisa.gov/news-events/ics-medical-advisories/icsma-25-296-01 (opens in a new tab)
- nihonkohden.com/security.html (opens in a new tab)
- nihonkohden.com/security/main/01112/teaserItems3/0/linkList/0/link/NKcorporateResponse-CNS-6201_CentralMonitor_Vulnerability(CVE-2025-59668)_en_Rev2.pdf (opens in a new tab)