Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ios | Cisco | 9.1 (including) | 9.1 (including) |
| Ios | Cisco | 11.0(20.3) (including) | 11.0(20.3) (including) |
| Ios | Cisco | 11.1(15)ca (including) | 11.1(15)ca (including) |
| Ios | Cisco | 11.1(16) (including) | 11.1(16) (including) |
| Ios | Cisco | 11.1(16)aa (including) | 11.1(16)aa (including) |
| Ios | Cisco | 11.1(16)ia (including) | 11.1(16)ia (including) |
| Ios | Cisco | 11.1(17)cc (including) | 11.1(17)cc (including) |
| Ios | Cisco | 11.1(17)ct (including) | 11.1(17)ct (including) |
| Ios | Cisco | 11.2(8)sa3 (including) | 11.2(8)sa3 (including) |
| Ios | Cisco | 11.2(9)p (including) | 11.2(9)p (including) |
| Ios | Cisco | 11.2(9)xa (including) | 11.2(9)xa (including) |
| Ios | Cisco | 11.2(10) (including) | 11.2(10) (including) |
| Ios | Cisco | 11.2(10)bc (including) | 11.2(10)bc (including) |
| Ios | Cisco | 11.3(1) (including) | 11.3(1) (including) |
| Ios | Cisco | 11.3(1)ed (including) | 11.3(1)ed (including) |
| Ios | Cisco | 11.3(1)t (including) | 11.3(1)t (including) |