TI-2007-03571 Aliases CVE-2007-3681 GHSA-c5xf-xf94-3jc3

The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1…

LOW 34Published 2007-07-11 · Updated 2024-08-07

Key facts

Attack vector: Local
Privileges required: Low
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Medium
Impact type: —
Confidentiality · integrity · availability: Complete · Complete · Complete
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

The IOCTL 9031 (BIOCGSTATS) handler in the NPF.SYS device driver in WinPcap before 4.0.1 allows local users to overwrite memory and execute arbitrary code via malformed Interrupt Request Packet (Irp) parameters.

Why it matters now

EPSS 0.02377 83rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:winpcap:winpcap:3.1:::::::*	3.1	Vulnerable	Winpcap
cpe:2.3:a:winpcap:winpcap:4.0:::::::*	4.0	Vulnerable	Winpcap

cpe:2.3:a:winpcap:winpcap:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Winpcap
cpe:2.3:a:winpcap:winpcap:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Winpcap

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2007-3681
2026-10-03 Alias added: GHSA-c5xf-xf94-3jc3

References

Exploit 1

4165

Advisory 1

20070709 WinPcap NPF.SYS Local Privilege Escalation Vulnerability

Other 3

TI-2007-05525 Multiple array index errors in the bpf_filter_init function in NPF.SYS in WinPcap before… CVSS 2.0MEDIUM 6.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences