How severe is CVE-2025-51381?

CVE-2025-51381 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-51381 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-51381?

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-2025-51381 have an EU (EUVD) identifier?

Yes. CVE-2025-51381 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18627.

When was CVE-2025-51381 published?

CVE-2025-51381 was published on 2025-06-18 and last updated on 2026-06-17.

CVE-2025-51381

CVE-2025-51381 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-288.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18627
Weakness: CWE-288
Published: 2025-06-18
Last modified: 2026-06-17

Description

An authentication bypass vulnerability exists in KCM3100 Ver1.4.2 and earlier. If this vulnerability is exploited, an attacker may bypass the authentication of the product from within the LAN to which the product is connected.

Frequently asked questions

What is CVE-2025-51381?: An authentication bypass vulnerability exists in KCM3100 Ver1.4.2 and earlier. If this vulnerability is exploited, an attacker may bypass the authentication of the product from within the LAN to which the product is connected.
How severe is CVE-2025-51381?: CVE-2025-51381 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-51381 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-51381?: 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-2025-51381 have an EU (EUVD) identifier?: Yes. CVE-2025-51381 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18627.
When was CVE-2025-51381 published?: CVE-2025-51381 was published on 2025-06-18 and last updated on 2026-06-17.

References

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