CVE-2025-49716
Windows Netlogon Denial of Service Vulnerability
Description
Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny service over a network.
INFO
Published Date :
July 8, 2025, 5:15 p.m.
Last Modified :
July 16, 2025, 5:36 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-49716
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Apply the latest Windows security updates.
- Verify Netlogon service configuration.
- Monitor network traffic for suspicious activity.
Public PoC/Exploit Available at Github
CVE-2025-49716 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-49716.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49716 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-49716 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-49716
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A set of tools and exploits to cause DoS for remote Windows Server & Windows 11 machines
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-49716 vulnerability anywhere in the article.
-
Daily CyberSecurity
The Win-DDoS Epidemic: New Flaws Weaponize Windows Domain Controllers for Massive DoS Attacks, PoC Releases
SafeBreach Labs researchers have uncovered a new class of denial-of-service (DoS) vulnerabilities in Microsoft Windows that could enable attackers to weaponize critical infrastructure — without ever b ... Read more
-
Help Net Security
Win-DDoS: Attackers can turn public domain controllers into DDoS agents
SafeBreach researchers have released details on several vulnerabilities that could be exploited by attackers to crash Windows Active Directory domain controllers (DCs), one one of which (CVE-2025-3272 ... Read more
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CybersecurityNews
New ‘Win-DoS’ Zero-Click Vulnerabilities Turns Windows Server/Endpoint, Domain Controllers Into DDoS Botnet
LAS VEGAS — At the DEF CON 33 security conference, researchers Yair and Shahak Morag of SafeBreach Labs unveiled a new class of denial-of-service (DoS) attacks, dubbed the “Win-DoS Epidemic.” The duo ... Read more
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The Hacker News
New Win-DDoS Flaws Let Attackers Turn Public Domain Controllers into DDoS Botnet via RPC, LDAP
Aug 10, 2025Ravie LakshmananVulnerability / Network Security A novel attack technique could be weaponized to rope thousands of public domain controllers (DCs) around the world to create a malicious ... Read more
The following table lists the changes that have been made to the
CVE-2025-49716 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 16, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:* *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.8246 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.7558 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.3932 *cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.25398.1732 Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49716 Types: Vendor Advisory -
CVE Modified by [email protected]
Jul. 15, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H -
New CVE Received by [email protected]
Jul. 08, 2025
Action Type Old Value New Value Added Description Uncontrolled resource consumption in Windows Netlogon allows an unauthorized attacker to deny service over a network. Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-400 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49716