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HIGH · 7.5

CVE-2025-21300

Windows Universal Plug and Play (UPnP) Device Host Denial of Service Vulnerability

Vulnerability Description

Windows Universal Plug and Play (UPnP) Device Host Denial of Service Vulnerability

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 10 1507< 10.0.10240.20890
MicrosoftWindows 10 1607< 10.0.14393.7699
MicrosoftWindows 10 1809< 10.0.17763.6775
MicrosoftWindows 10 21H2< 10.0.19044.5371
MicrosoftWindows 10 22H2< 10.0.19045.5371
MicrosoftWindows 11 22H2< 10.0.22621.4751
MicrosoftWindows 11 23H2< 10.0.22631.4751
MicrosoftWindows 11 24H2< 10.0.26100.2894
MicrosoftWindows Server 2008-
MicrosoftWindows Server 2012-
MicrosoftWindows Server 2016< 10.0.14393.7699
MicrosoftWindows Server 2019< 10.0.17763.6775
MicrosoftWindows Server 2022< 10.0.20348.3091
MicrosoftWindows Server 2022 23H2< 10.0.25398.1369
MicrosoftWindows Server 2025< 10.0.26100.2894

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2025-21300?

CVE-2025-21300 is a vulnerability with a CVSS score of 7.5 (HIGH). Windows Universal Plug and Play (UPnP) Device Host Denial of Service Vulnerability

How severe is CVE-2025-21300?

CVE-2025-21300 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-21300?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21H2, Microsoft Windows 10 22H2.