ET WEB_SPECIFIC_APPS Wavlink addrouting Multiple Parameters Command Injection Attempt (CVE-2026-6483)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Wavlink addrouting Multiple Parameters Command Injection Attempt (CVE-2026-6483)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:21;
    content:"/cgi-bin/internet.cgi";
    http.request_body;
    content:"page|3d|addrouting"; fast_pattern;
    pcre:"/(?:dest|hostnet|netmask|gateway|interface|custom_interface|comment)\x3d[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/";
    reference:url,github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/vuldb_submission_report.md;
    reference:cve,2026-6483;
    classtype:attempted-admin;
    sid:2068847; rev:1;
    metadata:affected_product Wavlink, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_04_20, cve CVE_2026_6483, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_04_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)