ET WEB_SPECIFIC_APPS D-Link yyxz.asp id Parameter Buffer Overflow Attempt (CVE-2025-9938)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS D-Link yyxz.asp id Parameter Buffer Overflow Attempt (CVE-2025-9938)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/yyxz.asp|3f|"; startswith; fast_pattern;
    content:"id|3d|"; distance:0;
    pcre:"/^[^&]{100,}(?:&|$)/R";
    reference:url,github.com/ZZ2266/.github.io/tree/main/Dlink/DI-8400/yyxz.asp;
    reference:cve,2025-9938;
    classtype:web-application-attack;
    sid:2064541; rev:1;
    metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_09_11, cve CVE_2025_9938, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)