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Vulnerability record · CVE-2006-6265 · published 4 December 2006

CVE-2006-6265: Microsoft teredo vulnerability

Microsoft · Teredo

Teredo clients, when located behind a restricted NAT, allow remote attackers to establish an inbound connection without the guessing required to find a port mapping for a traditional restricted NAT client, by (1) using the client port number contained in the Teredo address or (2) following the bubble-to-open procedure.

5.8 CVSS 2.0 Medium EPSS 4.5% · top 8.8%
5.8CVSS 2.0 base score
4.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Teredo clients, when located behind a restricted NAT, allow remote attackers to establish an inbound connection without the guessing required to find a port mapping for a traditional restricted NAT client, by (1) using the client port number contained in the Teredo address or (2) following the bubble-to-open procedure.

AV:A/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

Source: NIST National Vulnerability Database (record CVE-2006-6265), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.