Vulnerability 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_800462c4 in /formAdvFirewall. This vulnerability is triggered via a crafted POST request.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dlink | Dir-809 Firmware | <= 1.12wwb03 |
| Dlink | Dir-809 | - |
Related Weaknesses (CWE)
References
- https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln06ExploitThird Party Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
- https://github.com/Lnkvct/IoT-poc/tree/master/D-Link-DIR809/vuln06ExploitThird Party Advisory
- https://www.dlink.com/en/security-bulletin/Vendor Advisory
FAQ
What is CVE-2021-33270?
CVE-2021-33270 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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_800462c4 in /formAdvFirewall. This vuln...
How severe is CVE-2021-33270?
CVE-2021-33270 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-33270?
Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-809 Firmware, Dlink Dir-809.