ET WEB_SPECIFIC_APPS Alcatel AP1361D Command Injection in Web Login (CVE-2025-52688)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/echo.fcgi"; fast_pattern; startswith;
http.request_body;
content:"|22|username|22 3a|";
pcre:"/^\s*\x22[^\x22]*?(?:[\x3b\x24\x27\x60\x7c]|\x25(?:3[bB]|2[47]|60|7[cC]))/R";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Alcatel AP1361D Command Injection in Web Login (CVE-2025-52688) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Alcatel AP1361D Command Injection in Web Login (CVE-2025-52688)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/echo.fcgi"; fast_pattern; startswith;
    http.request_body;
    content:"|22|username|22 3a|";
    pcre:"/^\s*\x22[^\x22]*?(?:[\x3b\x24\x27\x60\x7c]|\x25(?:3[bB]|2[47]|60|7[cC]))/R";
    reference:url,jro.sg/CVEs/CVE-2025-52688/;
    reference:cve,2025-52688;
    classtype:web-application-attack;
    sid:2063555; rev:1;
    metadata:attack_target Server, tls_state TLSDecrypt, created_at 2025_07_17, cve CVE_2025_52688, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, 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;
)

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