CVE-2021-43722: Buffer Overflow
First published: Thu Mar 31 2022(Updated: )
D-Link DIR-645 1.03 A1 is vulnerable to Buffer Overflow. The hnap_main function in the cgibin handler uses sprintf to format the soapaction header onto the stack and has no limit on the size.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dlink Dir-645 Firmware | =1.03 | |
| Dlink Dir-645 | =a1 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this D-Link DIR-645 issue?
The vulnerability ID of this D-Link DIR-645 issue is CVE-2021-43722.
What is the severity of CVE-2021-43722?
The severity of CVE-2021-43722 is critical with a CVSS score of 9.8.
What is the affected software version of CVE-2021-43722?
The affected software version of CVE-2021-43722 is D-Link DIR-645 Firmware 1.03 A1.
How does the vulnerability in D-Link DIR-645 occur?
The vulnerability in D-Link DIR-645 occurs due to a buffer overflow in the hnap_main function.
Are there any known fixes or patches for CVE-2021-43722?
Yes, it is recommended to update to a fixed version of the firmware provided by D-Link to mitigate the vulnerability.
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