alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS D-Link upgrade_filter.asp path Parameter Command Injection Attempt (CVE-2026-0732)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:19; content:"/upgrade_filter.asp"; fast_pattern; http.request_body; content:"path|3d|"; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:url,github.com/DavCloudz/cve/blob/main/D-link/DI_8200G/DI_8200G%20V17.12.20A1%20Command%20Execution%20Vulnerability/readme.md; reference:cve,2026-0732; classtype:attempted-admin; sid:2067090; rev:1; metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_01_26, cve CVE_2026_0732, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_01_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)