How severe is CVE-2025-30234?

CVE-2025-30234 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-30234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-30234?

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-2025-30234 have an EU (EUVD) identifier?

Yes. CVE-2025-30234 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6719.

When was CVE-2025-30234 published?

CVE-2025-30234 was published on 2025-03-19 and last updated on 2026-06-17.

CVE-2025-30234

CVE-2025-30234 is a high-severity vulnerability with a CVSS 3.x base score of 8.3. 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-321.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6719
Weakness: CWE-321
Published: 2025-03-19
Last modified: 2026-06-17

Description

SmartOS, as used in Triton Data Center and other products, has static host SSH keys in the 60f76fd2-143f-4f57-819b-1ae32684e81b image (a Debian 12 LX zone image from 2024-07-26).

Frequently asked questions

What is CVE-2025-30234?: SmartOS, as used in Triton Data Center and other products, has static host SSH keys in the 60f76fd2-143f-4f57-819b-1ae32684e81b image (a Debian 12 LX zone image from 2024-07-26).
How severe is CVE-2025-30234?: CVE-2025-30234 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-30234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-30234?: 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-2025-30234 have an EU (EUVD) identifier?: Yes. CVE-2025-30234 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6719.
When was CVE-2025-30234 published?: CVE-2025-30234 was published on 2025-03-19 and last updated on 2026-06-17.

References

Other CWE-321 vulnerabilities

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CVE-2026-32644 — Critical (CVSS 9.8): Specific firmware versions of Milesight AIOT cameras use SSL certificates with default private keys.
CVE-2025-67112 — Critical (CVSS 9.8): Use of a hard-coded AES-256-CBC key in the configuration backup/restore implementation of Small Cell Sercomm SCE4255W…

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