How severe is CVE-2025-11534?

CVE-2025-11534 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2025-11534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-11534?

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

Does CVE-2025-11534 have an EU (EUVD) identifier?

Yes. CVE-2025-11534 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35193.

When was CVE-2025-11534 published?

CVE-2025-11534 was published on 2025-10-21 and last updated on 2026-06-17.

CVE-2025-11534

CVE-2025-11534 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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-288.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35193
Weakness: CWE-288
Published: 2025-10-21
Last modified: 2026-06-17

Description

The affected Raisecom devices allow SSH sessions to be established without completing user authentication. This could allow attackers to gain shell access without valid credentials.

Frequently asked questions

What is CVE-2025-11534?: The affected Raisecom devices allow SSH sessions to be established without completing user authentication. This could allow attackers to gain shell access without valid credentials.
How severe is CVE-2025-11534?: CVE-2025-11534 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2025-11534 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-11534?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-11534 have an EU (EUVD) identifier?: Yes. CVE-2025-11534 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35193.
When was CVE-2025-11534 published?: CVE-2025-11534 was published on 2025-10-21 and last updated on 2026-06-17.

References

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