Netgear R6850 - Information Disclosure

mediumseverity

5.3CVSS score

1.2%likelihood of exploitation, next 30 days

69%of all CVEs are less likely

Readycheck to confirm it

Netgear R6850 router firmware version V1.1.0.88 contains an information leakage vulnerability in the debuginfo.htm page. This hidden interface is not protected by authentication, allowing unauthenticated attackers to access sensitive informationsuch as product model name, WAN connection type, and potentially other system details.

Impact

Attackers can obtain sensitive information from the router, potentially aiding further attacks.

Fix

Update Netgear R6850 firmware to a version that patches the information disclosure vulnerability.

How to confirm it

Send: GET {{BaseURL}}/debuginfo.htm
Positive when: contains "<br>WAN connection type" AND status 200

Run it with nuclei: nuclei -id CVE-2024-30570 -u <target>

The full check

id: CVE-2024-30570

info:
  name: Netgear R6850 - Information Disclosure
  author: ritikchaddha
  severity: medium
  description: |
    Netgear R6850 router firmware version V1.1.0.88 contains an information leakage vulnerability in the debuginfo.htm page. This hidden interface is not protected by authentication, allowing unauthenticated attackers to access sensitive informationsuch as product model name, WAN connection type, and potentially other system details.
  impact: |
    Attackers can obtain sensitive information from the router, potentially aiding further attacks.
  remediation: |
    Update Netgear R6850 firmware to a version that patches the information disclosure vulnerability.
  reference:
    - https://github.com/funny-mud-peee/IoT-vuls/blob/main/netgear%20R6850/Info%20Leak%20in%20Netgear-R6850%EF%BC%88debuginfo.htm%EF%BC%89.md
    - https://nvd.nist.gov/vuln/detail/CVE-2024-30570
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2024-30570
    cwe-id: CWE-200
    epss-score: 0.01221
    epss-percentile: 0.68941
  metadata:
    verified: true
    max-request: 1
    product: Netgear R6850 Router
    vendor: Netgear
    version: V1.1.0.88
    fofa-query: app="NETGEAR" && "R6850"
  tags: cve,cve2024,netgear,router,exposure,unauth,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/debuginfo.htm"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<br>WAN connection type"

      - type: status
        status:
          - 200

References

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