alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Nexxt Solutions um_device3_set_aliasname DEVICE_ALIAS Parameter Cross Site Scripting Attempt (CVE-2025-52378)";
flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:28;
content:"/web/um_device_set_aliasname"; fast_pattern;
http.request_body;
content:"DEVICE_ALIAS|3d|";
pcre:"/^.*(?:on(?:(?:error)|(?:s(?:elec|ubmi)|rese)t|d(?:blclick|ragdrop)|(?:mouse|key)[a-z]|c(?:hange|lick)|(?:un)?load|focus|blur)|s(?:cript|tyle))(?:\x3d|%3[dD])?/Ri";
reference:url,github.com/Vagebondcur/nexxt-solutions-NCM-X1800-exploits;
reference:cve,2025-52378;
classtype:web-application-attack;
sid:2063495; rev:1;
metadata:affected_product Nexxt, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_15, cve CVE_2025_52378, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_07_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)