CVE-2025-9046: Tenda AC20 setMacFilterCfg sub_46A2AC stack-based overflow

Published Aug 15, 2025
·
Updated

A vulnerability was identified in Tenda AC20 16.03.08.12. This issue affects the function sub46A2AC of the file /goform/setMacFilterCfg. The manipulation of the argument deviceList leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected Software

3 affected components
Tenda AC20
All of the following
Tenda Ac20 Firmware=16.03.08.12
Tenda AC20

Event History

Aug 15, 2025
CVE Published
via MITRE·11:02 AM
Data Sourced
via MITRE·11:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·11:15 AM
DescriptionSeverityWeaknessAffected Software
Oct 6, 57909
Event
via FIRST·06:28 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-9046?

CVE-2025-9046 is considered a critical vulnerability due to its potential for remote exploitation leading to stack-based buffer overflow.

2

How do I fix CVE-2025-9046?

To fix CVE-2025-9046, users should update their Tenda AC20 router firmware to the latest version provided by Tenda.

3

What are the potential impacts of CVE-2025-9046?

The potential impacts of CVE-2025-9046 include unauthorized access and control over the affected Tenda AC20 device.

4

Who is affected by CVE-2025-9046?

CVE-2025-9046 affects users of Tenda AC20 firmware version 16.03.08.12 and earlier.

5

Can CVE-2025-9046 be exploited remotely?

Yes, CVE-2025-9046 can be exploited remotely, allowing attackers to initiate the attack from a distance.

Contact

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