CVE-2021-33271: Buffer Overflow
First published: Wed Dec 01 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dlink Dir-809 Firmware | <=1.12wwb03 | |
| Dlink Dir-809 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-33271?
CVE-2021-33271 is a stack buffer overflow vulnerability found in D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410.
How severe is CVE-2021-33271?
CVE-2021-33271 has a severity rating of 9.8, which is considered critical.
How does CVE-2021-33271 affect D-Link DIR-809 devices?
CVE-2021-33271 affects D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410.
How can CVE-2021-33271 be exploited?
CVE-2021-33271 can be exploited by sending a crafted POST request to the affected device.
Are there any fixes available for CVE-2021-33271?
It is recommended to update the firmware of D-Link DIR-809 devices to the latest version provided by D-Link to mitigate CVE-2021-33271.
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