""ET EXPLOIT Trenda Router AC11 RCE Outbound (CVE-2021-31755)""

SID: 2033285

Revision: 1

Class Type: attempted-admin

Metadata: created_at 2021_07_08, cve CVE_2021_31755, updated_at 2021_07_08

Reference:

  • cve

  • 2021-31755

Protocol: tcp

Source Network: [$HOME_NET,$HTTP_SERVERS]

Source Port: any

Destination Network: any

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/goform/setmac"

  • Value: "&mac="

  • Value: "|3b|"

Within: 40

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_client_body

  • http_client_body

source