CVE-2025-9088

HIGH

Tenda AC20 16.03.08.12 - Buffer Overflow

Title source: llm

Description

A vulnerability was found in Tenda AC20 16.03.08.12. This vulnerability affects the function save_virtualser_data of the file /goform/formSetVirtualSer. The manipulation of the argument list leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

References (6)

[Third Party Advisory, VDB Entry] https://vuldb.com/?id.320356

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.320356

[Exploit, Third Party Advisory, VDB Entry] https://vuldb.com/?submit.632038

[Exploit, Third Party Advisory] https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer

[Exploit, Third Party Advisory] https://github.com/ZZ2266/.github.io/tree/main/AC20/formSetVirtualSer#poc-python-exploit-script

[Product] https://www.tenda.com.cn/

Scores

CVSS v3 8.8

EPSS 0.0020

EPSS Percentile 41.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-119 CWE-121 CWE-787

Status published

Products (1)

tenda/ac20_firmware 16.03.08.12

Published Aug 16, 2025

Tracked Since Feb 18, 2026