CVE-2025-71021: High severity Tenda Tenda AX-1806 vulnerability
Published Jan 14, 2026
·Updated
Tenda AX-1806 v1.0.0.1 was discovered to contain a stack overflow in the serverName parameter of the sub65A28 function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
Affected Software
3 affected components
Tenda Tenda AX-1806
All of the following
Tenda Ax1806 Firmware=1.0.0.1
Tenda AX1806
Event History
Jan 14, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-71021?
The severity of CVE-2025-71021 is classified as critical due to its potential to cause a Denial of Service (DoS).
2
How do I fix CVE-2025-71021?
To fix CVE-2025-71021, update the Tenda AX-1806 firmware to the latest version provided by the vendor.
3
What type of vulnerability is CVE-2025-71021?
CVE-2025-71021 is a stack overflow vulnerability affecting the serverName parameter in the Tenda AX-1806.
4
What can attackers achieve using CVE-2025-71021?
Attackers can achieve a Denial of Service (DoS) by exploiting CVE-2025-71021 through crafted requests.
5
Which device is affected by CVE-2025-71021?
The affected device for CVE-2025-71021 is the Tenda AX-1806 version 1.0.0.1.