Rule History

alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Totolink cstecgi.cgi setDiagnosisCfg ip Parameter Buffer Overflow Attempt"; flow:established,to_server; http.uri; bsize:12; content:"/cstecgi.cgi"; http.request_body; content:"|22|setDiagnosisCfg|22|"; fast_pattern; content:"|22|ip|22 3a|"; pcre:"/^[^,}$]{100,}(?:,|}|$)/"; reference:url,github.com/luckysmallbird/Totolink-N350RT-Vulnerability/blob/main/2-ip.md; classtype:web-application-attack; sid:2063553; rev:1; metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_17, 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;)