Web Attack: CCTV-DVR Remote Code Execution

Hello,

we got this alert message from our symantec on cloud:

A high-risk intrusion was detected on [Machine name on our cloud] within group Default Group on 5/3/2017 8:49:52 AM.

IPS Alert Name
Attack: an intrusion attempt was blocked.

Status
Blocked

Attack Signature
Web Attack: CCTV-DVR Remote Code Execution

Targeted Application
SYSTEM

Targeted Port Number
80

Targeted Host Name
N/A

Few questions on this:

1. what is it the "CCTV-DVR Remote Code Execution" ?

2.Do we need to do something to be protected from it?

Thanks.