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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Teredo | Microsoft | * | * |