Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap allows remote attackers to cause a denial of service via multiple connections to the router on the (1) HTTP or (2) telnet service, which causes the router to become unresponsive and stop forwarding packets.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Cbos | Cisco | * | 2.4.2ap (including) |
| Cbos | Cisco | 2.0.1 (including) | 2.0.1 (including) |
| Cbos | Cisco | 2.1.0 (including) | 2.1.0 (including) |
| Cbos | Cisco | 2.1.0a (including) | 2.1.0a (including) |
| Cbos | Cisco | 2.2.0 (including) | 2.2.0 (including) |
| Cbos | Cisco | 2.2.1 (including) | 2.2.1 (including) |
| Cbos | Cisco | 2.2.1a (including) | 2.2.1a (including) |
| Cbos | Cisco | 2.3 (including) | 2.3 (including) |
| Cbos | Cisco | 2.3.2 (including) | 2.3.2 (including) |
| Cbos | Cisco | 2.3.5 (including) | 2.3.5 (including) |
| Cbos | Cisco | 2.3.7 (including) | 2.3.7 (including) |
| Cbos | Cisco | 2.3.8 (including) | 2.3.8 (including) |
| Cbos | Cisco | 2.3.9 (including) | 2.3.9 (including) |
| Cbos | Cisco | 2.4.1 (including) | 2.4.1 (including) |
| Cbos | Cisco | 2.4.2 (including) | 2.4.2 (including) |