alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Tenda SafeClientFilter page Parameter Buffer Overflow Attempt (CVE-2025-12232)";
flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:24;
content:"/goform/SafeClientFilter"; fast_pattern;
http.request_body;
content:"page|3d|";
pcre:"/^[^&]{100,}(?:&|$)/R";
reference:url,github.com/QIU-DIE/CVE/issues/13;
reference:cve,2025-12232;
classtype:web-application-attack;
sid:2065420; rev:1;
metadata:affected_product Tenda, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_10_27, cve CVE_2025_12232, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)