CVE-2025-9087

A vulnerability has been found in Tenda AC20 16.03.08.12. This affects the function set_qosMib_list of the file /goform/SetNetControlList of the component SetNetControlList Endpoint. The manipulation of the argument list leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - cna@vuldb.com

Published

2025-08-16

Last modified

2025-08-18

Weaknesses

CWE-119, CWE-121

Affected products

• Ac20 (Tenda)
• Ac20 Firmware (Tenda)

References

• https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetQosBand
• https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetQosBand#poc-python-exploit-script
• https://vuldb.com/?ctiid.320355
• https://vuldb.com/?id.320355
• https://vuldb.com/?submit.632037
• https://www.tenda.com.cn/