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CVE-2006-6263

Teredo clients, when source routing is enabled, recognize a Routing header in an encapsulated...

6.8 Medium

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.

Exploit likelihood

12.8%Up 1.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.8

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.

Record
CVE-2006-6263
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2006-6263
Updated
2026-11-02
EUVDEUVD-2006-6246 No score

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.

Record
EUVD-2006-6246
Updated
2026-11-03
GitHub AdvisoriesGHSA-399j-46mc-wxhx No score

Teredo clients, when source routing is enabled, recognize a Routing header in an encapsulated...

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.

Record
GHSA-399j-46mc-wxhx
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-6263 is a medium vulnerability (CVSS 6.8) in Microsoft Teredo, published December 4, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 12.8%, the 96th percentile. No source names a fixed version.

References

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