ET WEB_SPECIFIC_APPS Totolink setWiFiBasicConfig wepkey Parameter Buffer Overflow Attempt (CVE-2025-11444)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:20;
content:"/cgi-bin/cstecgi.cgi";
http.request_body;
content:"topicurl|3d|";
pcre:"/^(?:UploadCustomModule|setWiFiBasicConfig)/R";
content:"wepkey|3d|"; fast_pattern;
pcre:"/^[^&]{100,}(?:&|$)/R";
Raw source ET WEB_SPECIFIC_APPS Totolink setWiFiBasicConfig wepkey Parameter Buffer Overflow Attempt (CVE-2025-11444) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Totolink setWiFiBasicConfig wepkey Parameter Buffer Overflow Attempt (CVE-2025-11444)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:20;
    content:"/cgi-bin/cstecgi.cgi";
    http.request_body;
    content:"topicurl|3d|";
    pcre:"/^(?:UploadCustomModule|setWiFiBasicConfig)/R";
    content:"wepkey|3d|"; fast_pattern;
    pcre:"/^[^&]{100,}(?:&|$)/R";
    reference:url,github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/wepkey/wepkey.md#reproduce;
    reference:cve,2025-11444;
    classtype:web-application-attack;
    sid:2065109; rev:1;
    metadata:affected_product TOTOLINK, created_at 2025_10_08, cve CVE_2025_11444, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_08;
)

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