Cisco Unified IP 9900 phones with firmware 9.4(.1) and earlier use weak permissions for unspecified files, which allows local users to cause a denial of service (persistent hang or reboot) by writing to a phones filesystem, aka Bug ID CSCup90474.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Unified_ip_phones_9900_series_firmware | Cisco | * | 9.4(.1) (including) |