ET WEB_SPECIFIC_APPS D-Link DI-8100 url_rule.asp Stack Buffer Overflow (CVE-2026-7854)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS D-Link DI-8100 url_rule.asp Stack Buffer Overflow (CVE-2026-7854)";
    flow:established,to_server;
    http.uri; bsize:13;
    content:"/url_rule.asp"; fast_pattern;
    http.request_body;
    content:"name|3d|";
    pcre:"/^[^&]{9,}/R";
    http.method;
    content:"POST";
    reference:url,github.com/draw-ctf/report/blob/main/DI-8100/url_rule_asp_overflow.md;
    reference:cve,2026-7854;
    classtype:web-application-attack;
    sid:2069184; rev:1;
    metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state TLSDecrypt, created_at 2026_05_06, cve CVE_2026_7854, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, updated_at 2026_05_06;
    target:dest_ip;
)