VulnerabilityModified
CVE-2021-33267
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_80034d60 in /formStaticDHCP.
CRITICAL 9.8EPSS 3.83%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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_80034d60 in /formStaticDHCP. This vulnerability is triggered via a crafted POST request.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.83% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- dlink/dir-809 firmware
- Source
- cve@mitre.org
References
- https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln02Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
- https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln02Exploit, Third Party Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.