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Dir 645 Firmware CVE-2023-36089

CRITICAL
Incorrect Authorization (CWE-863)
2023-07-31 cve@mitre.org
D-Link Authentication Bypass Dir 645 Firmware
9.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Jul 31, 2023 - 14:15 nvd
CRITICAL 9.8

DescriptionNVD

Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote attackers to gain escalated privileges via function phpcgi_main in cgibin. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

AnalysisAI

Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote attackers to gain escalated privileges via function phpcgi_main in cgibin. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote attackers to gain escalated privileges via function phpcgi_main in cgibin. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. Affected products include: Dlink Dir-645 Firmware. Version information: version 1.03.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.

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Same weakness CWE-863 – Incorrect Authorization

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CVE-2023-36089 vulnerability details – vuln.today
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