The packet-storing feature on Cisco 9900 phones with firmware 9.3(2) does not properly support the RTP protocol, which allows remote attackers to cause a denial of service (device hang) by sending malformed RTP packets after a call is answered, aka Bug ID CSCur39976.
CPE | Name | Operator | Version |
---|---|---|---|
unified_ip_phones_9900_series_firmware | eq | 9.32.0 |