alert http any any -> $HOME_NET any (msg:"ET EXPLOIT TP-Link TL-WR840N/TL-WR841N - Authentication Bypass (WiFi Password Change)"; flow:established,to_server; http.uri; content:"/cgi?2"; endswith; http.header; content:"/mainFrame.htm"; http.request_body; content:"LAN_WLAN"; fast_pattern; content:"IEEE11iAuthenticationMode"; content:"IEEE11iEncryptionModes"; content:"X_TP_PreSharedKey="; content:"X_TP_GroupKeyUpdateInterval"; reference:url,exploit-db.com/exploits/44781/; classtype:web-application-attack; sid:2025755; rev:4; metadata:affected_product TPLINK, created_at 2018_06_26, deployment Perimeter, deployment Internal, deployment Datacenter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_16, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)