ET EXPLOIT Totolink MQTT ckeckKeepAlive ipAddr Parameter Command Injection Attempt (CVE-2025-7952)

alert tcp any any -> $HOME_NET 1883 (
    msg:"ET EXPLOIT Totolink MQTT ckeckKeepAlive ipAddr Parameter Command Injection Attempt (CVE-2025-7952)";
    flow:established,to_server;
    content:"totolink/router/ckeckKeepAlive|0a|"; depth:38; fast_pattern;
    content:"|22|ipAddr|22 3a 22|";
    pcre:"/^.*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R";
    reference:url,github.com/ElvisBlue/Public/blob/main/Vuln/7.md;
    reference:cve,2025-7952;
    classtype:web-application-attack;
    sid:2063673; rev:1;
    metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_22, cve CVE_2025_7952, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_07_22, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)