ET WEB_SPECIFIC_APPS Wavlink WL-WN579A3 qos.cgi qos_bandwidth Parameter Command Injection Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.referer;
content:"wifi.wavlink.com";
http.request_body;
content:"page|3d|qos|26|sel_qos|3d|1|26|qos_bandwidth|3d|"; fast_pattern;
pcre:"/^.*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24)|(\x26{2}|%26%26))+/R";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Wavlink WL-WN579A3 qos.cgi qos_bandwidth Parameter Command Injection Attempt · Suricata
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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 Wavlink WL-WN579A3 qos.cgi qos_bandwidth Parameter Command Injection Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.referer;
    content:"wifi.wavlink.com";
    http.request_body;
    content:"page|3d|qos|26|sel_qos|3d|1|26|qos_bandwidth|3d|"; fast_pattern;
    pcre:"/^.*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24)|(\x26{2}|%26%26))+/R";
    reference:url,lafdrew.github.io/2025/03/31/Remote-Command-Execution-in-qos-cgi-of-wavlink-WL-WN579A3-Device/;
    classtype:attempted-admin;
    sid:2062391; rev:1;
    metadata:affected_product Wavlink, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_05_15, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_05_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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