Tenda AC6 15.03.05.16_multi addWifiMacFilter deviceId buffer overflow

Summaryinfo

A vulnerability, which was classified as critical, was found in Tenda AC6 15.03.05.16_multi. This impacts the function addWifiMacFilter. Executing a manipulation of the argument deviceId can lead to buffer overflow. The identification of this vulnerability is CVE-2025-50641. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Tenda AC6 15.03.05.16_multi and classified as critical. This vulnerability affects the function addWifiMacFilter. The manipulation of the argument deviceId 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 AC6 15.03.05.16_multi is vulnerable to Buffer Overflow in the addWifiMacFilter function via the parameter deviceId.

The advisory is available at github.com. This vulnerability was named CVE-2025-50641 since 06/16/2025. The exploitation appears to be easy. The attack can be initiated remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/04/2025).

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19651). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Router Operating System

Vendor

• Tenda

Name

• AC6

Version

• 15.03.05.16_multi

License

• commercial

Website

• Vendor: https://www.tenda.com.cn/

CPE 2.3info

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CPE 2.2info

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Duplicate

• Submit #XXXXXX: Xxxxxxxx Xxxxxxx Xxxxx Xxxxxxxxxx Xx., Xxx. Xxxxx Xxx Xx.x_xxx.xx.xx.xx Xxxxxx Xxxxxxxx (by b55t4ck)
• Submit #XXXXXX: Xxxxx Xxx Xx.x Xx.xx.xx.xx Xxxxx-xxxxx Xxxxxx Xxxxxxxx (by z472421519)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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