Cyber Posture

CVE-2025-21300

High

Published: 14 January 2025

Published
14 January 2025
Modified
13 February 2026
KEV Added
Patch
CVSS Score 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0131 79.9th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

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

Security Summary

CVE-2025-21300 is a Denial of Service vulnerability in the Windows Universal Plug and Play (UPnP) Device Host component. Published on 2025-01-14, it carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) and is associated with CWE-400 (Uncontrolled Resource Consumption), though additional CWE details are unavailable from NVD.

The vulnerability can be exploited by remote attackers with network access, requiring no authentication privileges, low attack complexity, and no user interaction. Exploitation results in high availability impact, enabling denial of service through resource exhaustion or disruption of the UPnP Device Host service.

Microsoft's Security Response Center update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21300 provides details on affected versions and recommended mitigations or patches.

Details

CWE(s)
CWE-400NVD-CWE-noinfo

Affected Products

microsoft
windows 10 1507
≤ 10.0.10240.20890 · ≤ 10.0.10240.20890
microsoft
windows 10 1607
≤ 10.0.14393.7699 · ≤ 10.0.14393.7699
microsoft
windows 10 1809
≤ 10.0.17763.6775 · ≤ 10.0.17763.6775
microsoft
windows 10 21h2
≤ 10.0.19044.5371
microsoft
windows 10 22h2
≤ 10.0.19045.5371
microsoft
windows 11 22h2
≤ 10.0.22621.4751
microsoft
windows 11 23h2
≤ 10.0.22631.4751
microsoft
windows 11 24h2
≤ 10.0.26100.2894
microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
all versions, r2
+5 more product configuration(s) — see NVD for full list

References