CVE-2025-21389
CVSS 3.1 Score 7.5 of 10 (high)
Details
Published Jan 14, 2025
CWE ID 400
Summary
CVE-2025-21389 is a denial-of-service vulnerability affecting Windows' upnphost.dll component. An attacker can exploit this flaw by sending specially crafted packets to a targeted system, resulting in a denial-of-service condition. This vulnerability can impact the availability of network services, potentially causing significant disruptions. Microsoft has addressed this issue with a security update, and it is recommended that users install the patch to protect their systems.
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Affected Products
- Microsoft Windows 10
- Microsoft Windows 11
- Microsoft Windows Server 2008
- Windows Server 2022
Affected Vendors
- Microsoft