How severe is CVE-2025-9495?

CVE-2025-9495 has a CVSS 4.0 base score of 8.7, rated high severity.

Is CVE-2025-9495 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-9495?

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-2025-9495 have an EU (EUVD) identifier?

Yes. CVE-2025-9495 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30428.

When was CVE-2025-9495 published?

CVE-2025-9495 was published on 2025-09-23 and last updated on 2026-06-17.

CVE-2025-9495

CVE-2025-9495 is a high-severity vulnerability with a CVSS 4.0 base score of 8.7. 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-602.

Key facts

Severity: High (CVSS 4.0 base score 8.7)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30428
Weakness: CWE-602
Published: 2025-09-23
Last modified: 2026-06-17

Description

The Vitogate 300 web interface fails to enforce proper server-side authentication and relies on frontend-based authentication controls. This allows an attacker to simply modify HTML elements in the browser’s developer tools to bypass login restrictions. By removing specific UI elements, an attacker can reveal the hidden administration menu, giving them full control over the device.

Frequently asked questions

What is CVE-2025-9495?: The Vitogate 300 web interface fails to enforce proper server-side authentication and relies on frontend-based authentication controls. This allows an attacker to simply modify HTML elements in the browser’s developer tools to bypass login restrictions. By removing specific UI elements, an attacker can reveal the hidden administration menu, giving them full control over the device.
How severe is CVE-2025-9495?: CVE-2025-9495 has a CVSS 4.0 base score of 8.7, rated high severity.
Is CVE-2025-9495 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-9495?: 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-2025-9495 have an EU (EUVD) identifier?: Yes. CVE-2025-9495 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30428.
When was CVE-2025-9495 published?: CVE-2025-9495 was published on 2025-09-23 and last updated on 2026-06-17.

References

https://https://www.corporate.carrier.com/product-security/advisories-resources/

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