Tenda AC15/AC18 15.03.05.19 /goform/openSchedWifi/ setSchedWifi heap-based overflow

Summaryinfo

A vulnerability was found in Tenda AC15 and AC18 15.03.05.19. It has been declared as critical. This vulnerability affects the function setSchedWifi of the file /goform/openSchedWifi/. Such manipulation leads to heap-based overflow. This vulnerability is uniquely identified as CVE-2022-40865. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenda AC15 and AC18 15.03.05.19. Affected by this issue is the function setSchedWifi of the file /goform/openSchedWifi/. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Tenda AC15 and AC18 routers V15.03.05.19 contain heap overflow vulnerabilities in the function setSchedWifi with the request /goform/openSchedWifi/

The weakness was disclosed 09/23/2022. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2022-40865 since 09/19/2022. There are known technical details, but no exploit is available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• AC15
• AC18

Version

• 15.03.05.19

License

• commercial

Website

• Vendor: https://www.tenda.com.cn/

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Duplicate

• Submit #XXXXXX: Xxxxx Xxxx Xx.x Xxx.xx.xx_xxxxx Xxxxxx Xxxxxxxx (by yhryhryhr_tutu)
• Submit #XXXXXX: Xxxxx Xxxx Xx.x Xxx.xx.xx_xxxxx Xxxxxx Xxxxxxxx (by yhryhryhr_tutu)
• Submit #XXXXXX: Xxxxx Xxxx Xxx.xx.xx.xx Xxxxxx Xxxxxxxx (by wxhwxhwxh_miemie)
• Submit #XXXXXX: Xxxxx Xxxx Xxx.xx.xx.xx Xxxxxx Xxxxxxxx (by wxhwxhwxh_miemie)

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