Home/CVE/Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote attackers to gain escalated pr
CVE

CVE-2023-36089

Authentication Bypass vulnerability in D-Link DIR-645 firmware version 1.03 allows remote attackers to gain escalated pr

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.

CRITICAL · CVSS 9.8 EPSS 0.00356
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
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Affected Products & Versions

1
dlink dir-645 firmwareall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Jul 2023 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://www.dlink.com/en/supportNot Applicable
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