All in cathegory "High".

See following docs:

Cisco Cable Modem with Digital Voice Model DPC2203 allows unauthorized execution of arbitrary code using specially formed HTTP packet.

Cisco Wireless Residential Gateway contains bug in web admin interface, which discloses senzitive information from the device to unautorized remote attacker.

Zařízení Cisco Model DPQ3925 8x4 DOCSIS 3.0 Wireless Residential Gateway with EDVA allows DoS thru interface with administrative permission.

Cisco ASA Content Security and Control Security Services Module allows
DoS HTTPs packet flood makes the miracle.

Read linked documents for detailed description of all mentiond vulnerabilities (including countermeasures).