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TI-2006-06027 Aliases CVE-2006-6263GHSA-399j-46mc-wxhx

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

Priority MEDIUM 44Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.12783 96th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:teredo:*:*:*:*:*:*:*:*all versionsVulnerableMicrosoft
  • cpe:2.3:a:microsoft:teredo:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-6263
  2. 2026-10-03 Alias added: GHSA-399j-46mc-wxhx

References

Other 1

  • TI-2006-06028 Teredo creates trusted peer entries for arbitrary incoming source Teredo addresses, even… CVSS 2.0HIGH 7.5
  • TI-2006-06030 Teredo clients, when following item 6 of RFC4380 section 5.2.3, start direct IPv6… CVSS 2.0MEDIUM 6.8
  • TI-2006-06029 Teredo clients, when located behind a restricted NAT, allow remote attackers to establish… CVSS 2.0MEDIUM 5.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences