Microsoft Windows Server 2003/XP NdisTapiDispatch denial of service

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as problematic has been found in Microsoft Windows Server 2003/XP (Operating System). Affected is the function NdisTapiDispatch. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on integrity, and availability. CVE summarizes:

\Device\NdisTapi (NDISTAPI.sys) in Microsoft Windows XP SP2 and 2003 SP1 uses weak permissions, which allows local users to write to the device and cause a denial of service, as demonstrated by using an IRQL to acquire a spinlock on paged memory via the NdisTapiDispatch function.

The weakness was disclosed 03/19/2007. This vulnerability is traded as CVE-2007-1537. The exploitability is told to be easy. The attack needs to be approached locally. The requirement for exploitation is a authentication. Technical details and a exploit are known.

After 16 hours, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 26921 (Windows Service Pack Out-of-Date), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (33086) and Tenable (26921). The entries 134 and 14426 are pretty similar.








  • end of life (old version)

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔍
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VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 26921
Nessus Name: Windows Service Pack Out-of-Date
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍


03/12/2007 🔍
03/19/2007 +7 days 🔍
03/19/2007 +0 days 🔍
03/20/2007 +0 days 🔍
03/20/2007 +0 days 🔍
03/20/2007 +0 days 🔍
03/20/2007 +0 days 🔍
03/27/2007 +6 days 🔍
03/13/2015 +2908 days 🔍
07/13/2021 +2314 days 🔍



Status: Not defined

CVE: CVE-2007-1537 (🔍)
X-Force: 33086
Vulnerability Center: 14714 - Microsoft Windows Denial of Service in NDISTATPI.sys, High
SecurityFocus: 23025
Secunia: 24598
OSVDB: 33628 - Microsoft Windows NDISTAPI.sys Permission Weakness Local DoS

scip Labs:
See also: 🔍


Created: 03/13/2015 12:16 PM
Updated: 07/13/2021 09:33 PM
Changes: 03/13/2015 12:16 PM (45), 04/07/2017 04:03 PM (15), 07/13/2021 09:10 PM (1), 07/13/2021 09:20 PM (7), 07/13/2021 09:33 PM (1)
Complete: 🔍


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