ET WEB_SPECIFIC_APPS Totolink setParentalRules Multiple Parameters Buffer Overflow Attempt (CVE-2024-8573)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Totolink setParentalRules Multiple Parameters Buffer Overflow Attempt (CVE-2024-8573)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:20;
    content:"/cgi-bin/cstecgi.cgi";
    http.request_body;
    content:"|22|topicurl|22|";
    content:"|22|setParentalRules|22|"; fast_pattern; within:23;
    pcre:"/\x22(?:desc|week|sTime|eTime)\x22(?:\x3a(?:\x20\x22|\x22))?[^\x2c\x7d$]{100,}(?:\x2c|\x7d|$)/";
    reference:url,github.com/lin-3-start/lin-cve/blob/main/TOTOLINK%20A720R/TOTOLINK-A720R.md;
    reference:cve,2024-8573;
    classtype:web-application-attack;
    sid:2064066; rev:1;
    metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_08_20, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)