alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Linksys portRangeForwardAdd Multiple Parameters Buffer Overflow Attempt (CVE-2025-9482)";
flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:27;
content:"/goform/portRangeForwardAdd"; fast_pattern;
http.request_body;
pcre:"/(?:ruleName|schedule|inboundFilter|TCPPorts|UDPPorts)\x3d[^&]{100,}(?:&|$)/";
reference:url,github.com/wudipjq/my_vuln/blob/main/Linksys/vuln_36/36.md#poc;
reference:cve,2025-9482;
classtype:web-application-attack;
sid:2064202; rev:1;
metadata:affected_product Linksys, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_08_28, cve CVE_2025_9482, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)