CVE-2026-7470: Tenda 4G300 SafeMacFilter sub_427C3C stack-based overflow

Published Apr 30, 2026
·
Updated

A flaw has been found in Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01. Affected is the function sub_427C3C of the file /goform/SafeMacFilter. This manipulation of the argument page causes stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Affected Software

3 affected components
Tenda 4G300=US_4G300V1.0Mt_V1.01.42_CN_TDC01
All of the following
Tenda 4g300 Firmware=1.01.42_cn_tdc01
Tenda 4G300

Event History

Apr 30, 2026
CVE Published
via MITRE·02:30 AM
Data Sourced
via MITRE·02:30 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:16 AM
DescriptionSeverityWeaknessAffected Software
Dec 24, 58314
Event
via FIRST·02:05 AM
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Frequently Asked Questions

1

What is the severity of CVE-2026-7470?

CVE-2026-7470 has a high severity rating due to the potential for remote code execution through stack-based buffer overflow.

2

How do I fix CVE-2026-7470?

To fix CVE-2026-7470, update to the latest firmware version provided by Tenda for the 4G300 device.

3

What is the impact of CVE-2026-7470 on Tenda 4G300 devices?

The impact of CVE-2026-7470 includes the possibility of remote exploitation leading to unauthorized access and control over affected devices.

4

Which software versions are affected by CVE-2026-7470?

The affected software version for CVE-2026-7470 is Tenda 4G300 US_4G300V1.0Mt_V1.01.42_CN_TDC01.

5

Is CVE-2026-7470 being actively exploited?

Yes, there are indications that CVE-2026-7470 may be actively exploited in the wild, which heightens the need for immediate remediation.

Contact

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