Is CVE-2025-4440 in the CISA KEV catalog?

No. CVE-2025-4440 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-4440?

CVE-2025-4440 has a CVSS v3 base score of 8.0 (HIGH).

What is the EPSS score for CVE-2025-4440?

CVE-2025-4440 has an EPSS score of 0.51% (39th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-4440

HIGH

8.0

CVSS v3

NVD

Description

A vulnerability was found in H3C GR-1800AX up to 100R008 and classified as critical. Affected by this issue is the function EnableIpv6 of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. Access to the local network is required for this attack to succeed. The exploit has been disclosed to the public and may be used.

CWE-119Buffer Overflow CWE-120

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.51%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-12.