CVE-2025-70651: High severity Tenda AX-1803 vulnerability

Published Jan 21, 2026
·
Updated

Tenda AX-1803 v1.0.0.1 was discovered to contain a stack overflow in the ssid parameter of the formfastsettingwifiset function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.

Affected Software

3 affected components
Tenda AX-1803
All of the following
Tenda Ax1803 Firmware=1.0.0.1
Tenda ax1803

Event History

Jan 21, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-70651?

CVE-2025-70651 is considered a high severity vulnerability due to its potential to cause a Denial of Service.

2

How do I fix CVE-2025-70651?

To fix CVE-2025-70651, update the firmware of Tenda AX-1803 to the latest version provided by the manufacturer.

3

What type of attack does CVE-2025-70651 enable?

CVE-2025-70651 enables attackers to launch a Denial of Service attack on the Tenda AX-1803 device.

4

Which parameter is exploited in CVE-2025-70651?

The exploitation in CVE-2025-70651 occurs in the ssid parameter of the form_fast_setting_wifi_set function.

5

What is the impact of CVE-2025-70651 on Tenda AX-1803?

The impact of CVE-2025-70651 on Tenda AX-1803 is that it can lead to a complete unavailability of the device due to a stack overflow.

Contact

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