CVEvulnerability
CVE-2022-40855
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-09-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787
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.
Affected configurations
• tenda w20e firmware 15.11.0.6
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md Exploit, Third Party Advisory
- https://github.com/CPSeek/Router-vuls/blob/main/Tenda/W20E/formSetPortMapping.md Exploit, Third Party Advisory