How severe is CVE-2025-59814?

CVE-2025-59814 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-59814?

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-2025-59814 have an EU (EUVD) identifier?

Yes. CVE-2025-59814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31160.

When was CVE-2025-59814 published?

CVE-2025-59814 was published on 2025-09-25 and last updated on 2026-06-17.

CVE-2025-59814

CVE-2025-59814 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31160
Weakness: CWE-89
Published: 2025-09-25
Last modified: 2026-06-17

Description

This vulnerability allows malicious actors to gain unauthorized access to the Zenitel ICX500 and ICX510 Gateway Billing Admin endpoint, enabling them to read the entire contents of the Billing Admin database.

Frequently asked questions

What is CVE-2025-59814?: This vulnerability allows malicious actors to gain unauthorized access to the Zenitel ICX500 and ICX510 Gateway Billing Admin endpoint, enabling them to read the entire contents of the Billing Admin database.
How severe is CVE-2025-59814?: CVE-2025-59814 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-59814?: 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-2025-59814 have an EU (EUVD) identifier?: Yes. CVE-2025-59814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31160.
When was CVE-2025-59814 published?: CVE-2025-59814 was published on 2025-09-25 and last updated on 2026-06-17.

References

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