Vulnerability Details : CVE-2022-40855
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.
Vulnerability category: Memory CorruptionExecute codeDenial of service
Products affected by CVE-2022-40855
- cpe:2.3:o:tenda:w20e_firmware:15.11.0.6:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-40855
0.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-40855
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2022-40855
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-40855
-
https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md
Router-vuls/formSetPortMapping.md at main · CPSeek/Router-vuls · GitHubExploit;Third Party Advisory
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