CVE-2006-6263

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 12.5% 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 source routing is enabled, recognize a Routing header in an encapsulated IPv6 packet and send the packet to the next hop, which might allow remote attackers to bypass policies of certain Internet gateways that drop all source-routed packets.

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
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

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