CVE-2025-21389

· HIGHModified

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CVSS v3.1

7.5

EPSS

1.94%

Published

Jan 14, 2025

Modified

Feb 13, 2026

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

Uncontrolled resource consumption in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to deny service over a network.

CVSS Vector

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

Weaknesses (CWE)

CWE-400

Affected Products (20)

microsoft · windows_10_1507 (up to 10.0.10240.20890)vulnerable

microsoft · windows_10_1607 (up to 10.0.14393.7699)vulnerable

microsoft · windows_10_1809 (up to 10.0.17763.6775)vulnerable

microsoft · windows_10_21h2 (up to 10.0.19044.5371)vulnerable

microsoft · windows_10_22h2 (up to 10.0.19045.5371)vulnerable

microsoft · windows_11_22h2 (up to 10.0.22621.4751)vulnerable

microsoft · windows_11_23h2 (up to 10.0.22631.4751)vulnerable

microsoft · windows_11_24h2 (up to 10.0.26100.2894)vulnerable

microsoft · windows_server_2008vulnerable

microsoft · windows_server_2012vulnerable

microsoft · windows_server_2016 (up to 10.0.14393.7699)vulnerable

microsoft · windows_server_2019 (up to 10.0.17763.6775)vulnerable

microsoft · windows_server_2022 (up to 10.0.20348.3091)vulnerable

microsoft · windows_server_2022_23h2 (up to 10.0.25398.1369)vulnerable

microsoft · windows_server_2025 (up to 10.0.26100.2894)vulnerable

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21389

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