CVE-2021-33271

D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function sub_80046EB4 in /formSetPortTr. This vulnerability is triggered via a crafted POST request.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 82%
VendorProductVersion
dlinkdir-809_firmware
𝑥
≤ 1.12wwb03
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln11
https://www.dlink.com/en/security-bulletin/
https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln11
https://www.dlink.com/en/security-bulletin/