ET WEB_SPECIFIC_APPS Linksys addStaticRoute staticRoute_destType_setting Parameter Command Injection Attempt

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Linksys addStaticRoute staticRoute_destType_setting Parameter Command Injection Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:22;
    content:"/goform/addStaticRoute"; fast_pattern;
    http.request_body;
    content:"staticRoute_destType_setting|3d|";
    pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R";
    reference:cve,2025-5447;
    reference:url,github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_11/11.md;
    classtype:attempted-admin;
    sid:2062735; rev:2;
    metadata:affected_product Linksys, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_06_03, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag AI_Generated_Description, updated_at 2025_06_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)