""ET EXPLOIT [Rapid7] Zyxel ZTP setWanPortSt mtu Parameter Exploit Attempt (CVE-2022-30525)""

SID: 2036596

Revision: 2

Class Type: misc-attack

Metadata: attack_target Networking_Equipment, created_at 2022_05_16, cve CVE_2022_30525, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2022_09_30

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/ztp/cgi-bin/handler"

  • Value: "setWanPortSt"

  • Value: "mtu"

Within:

PCRE: "/^["']\s:\s["']\s*[^0-9]+/Ri"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_client_body

  • http_client_body

source