Summaryinfo

A vulnerability was found in Tenda W20E 15.11.0.6. It has been classified as critical. Affected is the function formDelDhcpRule of the file /goform/delDhcpRules/. The manipulation leads to stack-based overflow. This vulnerability is traded as CVE-2022-40868. There is no exploit available. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability was found in Tenda W20E 15.11.0.6 and classified as critical. This issue affects the function formDelDhcpRule of the file /goform/delDhcpRules/. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formDelDhcpRule with the request /goform/delDhcpRules/

The weakness was published 09/23/2022. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-40868 since 09/19/2022. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• W20E

Version

• 15.11.0.6

License

• commercial

CPE 2.3info

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CPE 2.2info

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