CVE-2021-33274

moderate-risk
Published 2021-12-01

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 FUN_80040af8 in /formWlanSetup. This vulnerability is triggered via a crafted POST request.

Do I need to act?

~
1.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Dlink

References (4)

Exploit https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln07
Vendor Advisory https://www.dlink.com/en/security-bulletin/
Exploit https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln07
Vendor Advisory https://www.dlink.com/en/security-bulletin/
42
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 5/34 · Minimal
Exposure 5/34 · Minimal