CVE-2006-6265

5.8 MEDIUM 5% exploit odds No fix listed

What it is

Teredo clients, when located behind a restricted NAT, allow remote attackers to establish an inbound connection without the guessing required to find a port mapping for a traditional restricted NAT client, by (1) using the client port number contained in the Teredo address or (2) following the bubble-to-open procedure.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 4.6% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2006-12-04 11:28 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:32 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.6% in the next 30 days (EPSS).
Severity: 5.8 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2006-12-04 11:28 UTC
Last modified: 2026-06-16 22:32 UTC
Exploit probability: 4.6% · EPSS, next 30 days
Record status: Modified

Affected

Microsoft Teredo

Attack profile CVSS 2.0 · 5.8

Attack vector: Adjacent network
Complexity: Low
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:A/AC:L/Au:N/C:P/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2006-6265.md and follow it. Check whether this project is affected by CVE-2006-6265. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record