How severe is CVE-2025-59668?

CVE-2025-59668 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-59668 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-59668?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-59668 have an EU (EUVD) identifier?

Yes. CVE-2025-59668 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31674.

When was CVE-2025-59668 published?

CVE-2025-59668 was published on 2025-09-30 and last updated on 2026-06-17.

CVE-2025-59668

CVE-2025-59668 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31674
Weakness: CWE-476
Published: 2025-09-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-59668?: 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.
How severe is CVE-2025-59668?: CVE-2025-59668 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-59668 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-59668?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-59668 have an EU (EUVD) identifier?: Yes. CVE-2025-59668 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31674.
When was CVE-2025-59668 published?: CVE-2025-59668 was published on 2025-09-30 and last updated on 2026-06-17.

References

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

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CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

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