Tenda AC21 16.03.08.15 /bin/httpd formSetVirtualSer buffer overflow

Summaryinfo

A vulnerability was found in Tenda AC21 16.03.08.15 and classified as critical. Impacted is the function formSetVirtualSer of the file /bin/httpd. Executing a manipulation can lead to buffer overflow. This vulnerability appears as CVE-2022-40067. There is no available exploit.

Detailsinfo

A vulnerability has been found in Tenda AC21 16.03.08.15 and classified as critical. This vulnerability affects the function formSetVirtualSer of the file /bin/httpd. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, function: formSetVirtualSer.

The weakness was presented 09/19/2022. The advisory is available at github.com. This vulnerability was named CVE-2022-40067 since 09/06/2022. Technical details 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.

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Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• AC21

Version

• 16.03.08.15

License

• commercial

Website

• Vendor: https://www.tenda.com.cn/

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CPE 2.2info

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Duplicate

• Submit #XXXXXX: Xxxxx Xxxx Xxx.xx.xx.xx Xxxxxx Xxxxxxxx (by LX-LX)

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