alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Tenda wifiRadioSetIndoor extChannel parameter Buffer Overflow Attempt (CVE-2025-3693)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:15; content:"/goform/modules"; http.request_body; content:"wifiRadioSetIndoor"; fast_pattern; content:"extChannel"; pcre:"/^\x22\x3a[^\x2c\x7d$]{100,}(?:\x2c|\x7d|$)/R"; reference:cve,2025-3693; reference:url,github.com/02Tn/vul/issues; classtype:web-application-attack; sid:2062208; rev:1; metadata:affected_product Tenda, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_05_08, cve CVE_2025_3693, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_05_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)