alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Tenda wifiMacFilterSet mac Parameter Buffer Overflow Attempt (CVE-2025-11549)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:15; content:"/goform/modules"; http.request_body; content:"|22|wifiMacFilterSet|22|"; fast_pattern; content:"|22|mac|22|"; pcre:"/^(?:\x3a(?:\x20\x22|\x22))?[^\x2c\x7d$]{100,}(?:\x2c|\x7d|$)/R"; reference:url,github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_W12/cgiWifiMacFilterSet/cgiWifiMacFilterSet.md; reference:cve,2025-11549; classtype:web-application-attack; sid:2065121; rev:1; metadata:affected_product Tenda, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_10_09, cve CVE_2025_11549, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)