CVE-2022-40855
First published: Fri Sep 23 2022(Updated: )
Tenda W20E router V15.11.0.6 contains a stack overflow in the function formSetPortMapping with post request 'goform/setPortMapping/'. This vulnerability allows attackers to cause a Denial of Service (DoS) or Remote Code Execution (RCE) via the portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tenda W20E | =15.11.0.6 | |
| Tenda W20e Firmware |
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Frequently Asked Questions
What is the severity of CVE-2022-40855?
CVE-2022-40855 has a high severity rating as it allows for Denial of Service (DoS) and potential Remote Code Execution (RCE).
How do I fix CVE-2022-40855?
To fix CVE-2022-40855, update the Tenda W20E router firmware to the latest version provided by the manufacturer.
What systems are affected by CVE-2022-40855?
CVE-2022-40855 specifically affects Tenda W20E router firmware version 15.11.0.6.
What kind of attack can be performed using CVE-2022-40855?
CVE-2022-40855 can be exploited to conduct Denial of Service attacks or execute arbitrary code remotely.
What is the impact of exploiting CVE-2022-40855?
Exploiting CVE-2022-40855 may lead to service interruptions or unauthorized control over the vulnerable Tenda W20E router.
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