alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Tenda DatabaseiniSet Time Parameter Buffer Overflow Attempt (CVE-2025-12618)";
flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:22;
content:"/goform/DatabaseiniSet"; fast_pattern;
http.request_body;
content:"Time|3d|";
pcre:"/^[^&]{100,}(?:&|$)/R";
reference:url,www.cve.org/CVERecord?id=CVE-2025-12618;
reference:cve,2025-12618;
classtype:web-application-attack;
sid:2065632; rev:1;
metadata:affected_product Tenda, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_11_03, cve CVE_2025_12618, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)