ET WEB_SPECIFIC_APPS D-Link authentication.cgi password Parameter Buffer Overflow Attempt (CVE-2025-13188)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS D-Link authentication.cgi password Parameter Buffer Overflow Attempt (CVE-2025-13188)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/authentication.cgi|3f|"; startswith; fast_pattern;
    content:"password|3d|"; distance:0;
    pcre:"/^[^&]{100,}(?:&|$)/R";
    reference:url,github.com/scanleale/IOT_sec/blob/main/DIR-816L%20stack%20overflow(authentication.cgi).pdf;
    reference:cve,2025-13188;
    classtype:web-application-attack;
    sid:2065796; rev:1;
    metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_11_17, cve CVE_2025_13188, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)