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CVE-2006-6264

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 14.3% 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 creates trusted peer entries for arbitrary incoming source Teredo addresses, even if the low 32 bits represent an intranet address, which might allow remote attackers to send IPv4 traffic to intranet hosts that use non-RFC1918 addresses, bypassing IPv4 ingress filtering.

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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