Teredo creates trusted peer entries for arbitrary incoming source Teredo addresses, even…
Priority MEDIUM 48Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- 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 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.
Why it matters now
EPSS 0.14655 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-6264
- 2026-10-03 Alias added: GHSA-m2x3-pgjp-hpvv
References
More Microsoft Teredo vulnerabilities
- TI-2006-06030 Teredo clients, when following item 6 of RFC4380 section 5.2.3, start direct IPv6… CVSS 2.0MEDIUM 6.8
- TI-2006-06027 Teredo clients, when source routing is enabled, recognize a Routing header in an… 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
- CVE-2006-6264 · CVE Program
- CVE-2006-6264 · NVD
- FIRST EPSS
- GHSA-m2x3-pgjp-hpvv · GitHub Advisory Database · CC BY 4.0
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