ET WEB_SPECIFIC_APPS Totolink formSaveConfig submit-url Parameter Buffer Overflow Attempt (CVE-2025-5739)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Totolink formSaveConfig submit-url Parameter Buffer Overflow Attempt (CVE-2025-5739)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:22;
    content:"/boafrm/formSaveConfig"; fast_pattern;
    http.request_body;
    content:"submit-url|3d|";
    pcre:"/^[^\x26]{100,}(?:\x26|$)/R";
    reference:url,github.com/byxs0x0/cve2/blob/main/9.md;
    reference:cve,2025-5739;
    classtype:web-application-attack;
    sid:2062861; rev:1;
    metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_06_10, cve CVE_2025_5739, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag AI_Generated_Description, updated_at 2025_06_10, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)