CVE-2006-6265

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-12-04 · updated 2026-06-16

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.

Affected products

Microsoft Teredo: all versions

References

http://www.securityfocus.com/archive/1/452989/100/0/threaded
http://www.securityfocus.com/archive/1/452996/100/0/threaded
http://www.symantec.com/avcenter/reference/Teredo_Security.pdf
https://exchange.xforce.ibmcloud.com/vulnerabilities/17897
http://www.securityfocus.com/archive/1/452989/100/0/threaded
http://www.securityfocus.com/archive/1/452996/100/0/threaded
http://www.symantec.com/avcenter/reference/Teredo_Security.pdf
https://exchange.xforce.ibmcloud.com/vulnerabilities/17897

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