ET WEB_SPECIFIC_APPS ASUS RT-AC3200 Buffer Overflow in appGet.cgi (CVE-2018-14712)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS ASUS RT-AC3200 Buffer Overflow in appGet.cgi (CVE-2018-14712)";
    flow:established,to_server;
    http.uri;
    content:"/appGet.cgi"; startswith;
    content:"hook|3d|delete_sharedfolder"; fast_pattern;
    content:"pool|3d|";
    pcre:"/^[^\x3d]{40,}/R";
    reference:url,blog.securityevaluators.com/asus-routers-overflow-with-vulnerabilities-b111bc1c8eb8;
    reference:cve,2018-14712;
    classtype:web-application-attack;
    sid:2064923; rev:1;
    metadata:affected_product Asus, attack_target Networking_Equipment, created_at 2025_09_25, cve CVE_2018_14712, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)