""ET EXPLOIT Telesquare SDT-CW3B1 1.1.0 - OS Command Injection (CVE-2021-46422)""

SID: 2036663

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Networking_Equipment, created_at 2022_05_23, cve CVE_2021_46422, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2022_05_23, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/cgi-bin/admin.cgi?Command=sysCommand&Cmd=" Depth: 42

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

source