CVE-2022-40855

Public Exploit

Description

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 28.80% Top 5%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2022-40855?
CVE-2022-40855 has been scored as a critical severity vulnerability.
How to fix CVE-2022-40855?
To fix CVE-2022-40855, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-40855 being actively exploited in the wild?
It is possible that CVE-2022-40855 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~29% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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