alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS TOTOLINK A810R setNoticeCfg NoticeUrl Parameter Command Injection Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:20; content:"/cgi-bin/cstecgi.cgi"; http.request_body; content:"|22|topicurl|22 3a 22|setting/setNoticeCfg|22|"; fast_pattern; content:"|22|NoticeUrl|22 3a 22|"; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:url,sudsy-eyeliner-a59.notion.site/RCE1-1ab72b8cd95f80d09eded269810f3756; reference:cve,2025-28137; classtype:attempted-admin; sid:2061608; rev:1; metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_04_15, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_04_15, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)