CVE-2006-3880

Microsoft Windows 2000 and 2003 Server - Denial of Service via Malformed TCP Packets on Port 135

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-3880. PoCs published by J. Oquendo.

AI-analyzed exploit summary This exploit is a proof-of-concept tool that sends malformed TCP packets to a target Windows machine, causing a denial-of-service condition. It crafts raw IP packets with randomized TCP headers and sends them to port 135, exploiting a vulnerability in the Windows network stack.

Description

Microsoft Windows NT 4.0, Windows 2000, Windows XP, and Windows Small Business Server 2003 allow remote attackers to cause a denial of service (IP stack hang) via a continuous stream of packets on TCP port 135 that have incorrect TCP header checksums and random numbers in certain TCP header fields, as demonstrated by the Achilles Windows Attack Tool. NOTE: the researcher reports that the Microsoft Security Response Center has stated "Our investigation which has included code review, review of the TCPDump, and attempts on reproing the issue on multiple fresh installs of various Windows Operating Systems have all resulted in non confirmation.

Exploits (1)

exploitdb WORKING POC VERIFIED
by J. Oquendo · cdoswindows
https://www.exploit-db.com/exploits/28263

This exploit is a proof-of-concept tool that sends malformed TCP packets to a target Windows machine, causing a denial-of-service condition. It crafts raw IP packets with randomized TCP headers and sends them to port 135, exploiting a vulnerability in the Windows network stack.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows (unspecified version)
No auth needed
Prerequisites: raw socket permissions · network access to target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/19135
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/441007/100/0/threaded
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/1282

Scores

EPSS 0.2606
EPSS Percentile 97.7%

Details

Status published
Products (12)
microsoft/windows_2000 (5 CPE variants)
microsoft/windows_2003_server datacenter_edition (2 CPE variants)
microsoft/windows_2003_server datacenter_edition_64-bit (2 CPE variants)
microsoft/windows_2003_server enterprise_64-bit
microsoft/windows_2003_server enterprise_edition sp1
microsoft/windows_2003_server enterprise_edition_64-bit
microsoft/windows_2003_server r2
microsoft/windows_2003_server sp1
microsoft/windows_2003_server standard (2 CPE variants)
microsoft/windows_2003_server standard_64-bit
... and 2 more
Published Jul 27, 2006
Tracked Since Feb 18, 2026