CVE-2022-37134: Buffer Overflow
First published: Mon Aug 22 2022(Updated: )
D-link DIR-816 A2_v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tp_usrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tp_usrname, resulting in stack overflow.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dlink Dir-816 Firmware | =1.10cnb04 | |
| Dlink DIR-816 | =a2 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2022-37134.
What is the severity of CVE-2022-37134?
The severity of CVE-2022-37134 is critical with a CVSS score of 9.8.
Which software is affected by CVE-2022-37134?
The D-link DIR-816 firmware version 1.10cnb04 is affected by CVE-2022-37134.
How does the vulnerability in D-link DIR-816 firmware version 1.10cnb04 manifest?
The vulnerability manifests as a buffer overflow when accessing the /goform/form2Wan.cgi endpoint with wantype set to 3, resulting in a stack overflow.
Is there a fix available for CVE-2022-37134?
Yes, D-link has released a security bulletin with information on how to address the vulnerability.
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