alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Tenda SetIPTVCfg iptvType Parameter Buffer Overflow Attempt (CVE-2025-65804)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:18; content:"/goform/SetIPTVCfg"; fast_pattern; http.request_body; content:"iptvType|3d|"; pcre:"/^[^&]{100,}(?:&|$)/R"; reference:url,river-brow-763.notion.site/Tenda-AX3-Buffer-Overflow-in-formSetIptv-2aaa595a7aef8072968edc528a2d95b1; reference:cve,2025-65804; classtype:web-application-attack; sid:2066180; rev:1; metadata:affected_product Tenda, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_12_08, cve CVE_2025_65804, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_12_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)