ET WEB_SPECIFIC_APPS Totolink formLoginAuth.htm Authentication Bypass Attempt (CVE-2024-31814)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Totolink formLoginAuth.htm Authentication Bypass Attempt (CVE-2024-31814)";
    flow:established,to_server;
    http.uri;
    content:"/formLoginAuth.htm|3f|"; startswith; fast_pattern;
    content:"authcode|3d|1";
    reference:url,github.com/luckysmallbird/Totolink-EX200-Vulnerability-1;
    reference:url,github.com/4hsienyang/CVE-vulns/blob/main/TOTOLINK/EX200/Login_Bypass/bypass.md;
    reference:cve,2024-31814;
    classtype:attempted-admin;
    sid:2063550; rev:1;
    metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_17, cve CVE_2024_31814, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_17, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)