WAVLINK WN530HG4 - Improper Access Control

id: CVE-2022-34045

info:
  name: WAVLINK WN530HG4 - Improper Access Control
  author: arafatansari
  severity: critical
  description: |
    WAVLINK WN530HG4 M30HG4.V5030.191116 is susceptible to improper access control. It contains a hardcoded encryption/decryption key for its configuration files at /etc_ro/lighttpd/www/cgi-bin/ExportAllSettings.sh. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can exploit this vulnerability to gain unauthorized access to the router's settings and potentially compromise the network.
  remediation: |
    Apply the latest firmware update provided by the vendor to fix the access control issue.
  reference:
    - https://drive.google.com/file/d/1s5uZGC_iSzfCJt9BJ8h-P24vmsrmttrf/view?usp=sharing
    - https://nvd.nist.gov/vuln/detail/CVE-2022-34045
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/ARPSyndicate/cvemon
  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-2022-34045
    cwe-id: CWE-798
    epss-score: 0.05662
    epss-percentile: 0.93312
    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.html:"WN530HG4"
      - http.html:"wn530hg4"
      - http.title:"wi-fi app login"
    fofa-query:
      - body="wn530hg4"
      - title="wi-fi app login"
    google-query: intitle:"wi-fi app login"
  tags: cve,cve2022,wavlink,exposure

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

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'Salted__'

      - type: word
        part: header
        words:
          - application/octet-stream

      - type: status
        status:
          - 200
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