CVE & CISA-KEV CatalogNVD
CVE-2006-6266
MEDIUMEPSS 95th pctl6.8
CVSS v2
Description
Teredo clients, when following item 6 of RFC4380 section 5.2.3, start direct IPv6 connectivity tests (aka ping tests) in response to packets from non-Teredo source addresses, which might allow remote attackers to induce Teredo clients to send packets to third parties.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
11.12%probability of exploitation in 30 days
95thpercentile
Very high risk: more likely to be exploited than 95% of all known CVEs.
References
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.