ET EXPLOIT Possible ZyXEL P660HN-T v1 RCE (CVE-2017-18368)

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Possible ZyXEL P660HN-T v1 RCE  (CVE-2017-18368)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/cgi-bin/ViewLog.asp"; depth:20; endswith;
    http.request_body;
    content:"remote_submit_Flag="; depth:19;
    content:"&remote_host="; distance:0;
    content:"&remoteSubmit=Save|0d 0a 0d 0a|"; endswith; fast_pattern;
    reference:url,seclists.org/fulldisclosure/2017/Jan/40;
    reference:cve,2017-18368;
    reference:url,github.com/pedrib/PoC/blob/master/advisories/zyxel_trueonline.txt;
    classtype:attempted-user;
    sid:2027092; rev:5;
    metadata:attack_target IoT, created_at 2019_03_18, cve CVE_2017_18368, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2021_02_16;
)