alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS D-Link ve_mgr.cgi f_dev Parameter Command Injection Attempt (CVE-2026-82690)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:19; content:"/cgi-bin/ve_mgr.cgi"; http.request_body; content:"cmd|3d|cgi_VE_PWD_Check"; fast_pattern; content:"f_dev|3d|"; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:url,github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/DLINK-CMD-004-vulndb.md; reference:cve,2026-82690; classtype:attempted-admin; sid:2072050; rev:1; metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_09_16, cve CVE_2026_82690, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_09_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)