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;)