alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Totolink A3002R formDnsv6 routername Parameter Buffer Overflow Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:17; content:"/boafrm/formDnsv6"; fast_pattern; http.request_body; content:"submit|3d|Save"; content:"enable_dnsv6|3d|1"; content:"routername|3d|"; pcre:"/^[^\x26$]{100,}(?:\x26|$)/R"; reference:url,github.com/Jiangxiazhe/IOT_hack/blob/main/TOTOLINK/A3002R/3/overflow.md; classtype:web-application-attack; sid:2062315; rev:2; metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_05_13, deployment Perimeter, deployment Internal, deprecation_reason Duplicate, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_05_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)