ET WEB_SPECIFIC_APPS Tenda FH1202 default.cfg Authentication Bypass Attempt (CVE-2025-2993)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Tenda FH1202 default.cfg Authentication Bypass Attempt (CVE-2025-2993)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri; bsize:12;
    content:"/default.cfg"; fast_pattern;
    http.header_names;
    content:!"|0d 0a|cookie|0d 0a|"; nocase;
    reference:cve,2025-2993;
    reference:url,lavender-bicycle-a5a.notion.site/CVE-1ab53a41781f804898a0effa45d0f15d;
    classtype:attempted-admin;
    sid:2061630; rev:1;
    metadata:affected_product Tenda, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_04_16, cve CVE_2025_2993, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_04_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)