ET WEB_SPECIFIC_APPS Shenzhen Atemi protocol.csp time Parameter Command Injection Attempt (CVE-2025-34152)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Shenzhen Atemi protocol.csp time Parameter Command Injection Attempt (CVE-2025-34152)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:17;
    content:"/protocol.csp|3f|";
    http.request_body;
    content:"fname|3d|system"; fast_pattern;
    content:"time|3d|";
    pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R";
    reference:url,chocapikk.com/posts/2025/when-a-wifi-name-gives-you-root-part-two/;
    reference:cve,2025-34152;
    classtype:attempted-admin;
    sid:2064883; rev:1;
    metadata:affected_product Shenzhen_Atemi, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_09_23, cve CVE_2025_34152, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_23, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)