CVE-2025-71027: High severity Tenda AX-3 vulnerability
Published Jan 13, 2026
·Updated
Tenda AX-3 v16.03.12.10CN was discovered to contain a stack overflow in the wanMTU2 parameter of the fromAdvSetMacMtuWan function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted request.
Affected Software
3 affected components
Tenda AX-3
All of the following
Tenda AX3 firmware=16.03.12.10_cn
Tenda AX3
Event History
Jan 13, 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
Frequently Asked Questions
1
What is the severity of CVE-2025-71027?
CVE-2025-71027 is classified as a Denial of Service (DoS) vulnerability.
2
How do I fix CVE-2025-71027?
To mitigate CVE-2025-71027, update your Tenda AX-3 device to the latest firmware version provided by the vendor.
3
What is the impact of CVE-2025-71027?
The impact of CVE-2025-71027 is that it allows an attacker to cause a Denial of Service on the affected device.
4
What versions are affected by CVE-2025-71027?
CVE-2025-71027 affects Tenda AX-3 with firmware version v16.03.12.10_CN.
5
How can an attacker exploit CVE-2025-71027?
An attacker can exploit CVE-2025-71027 by sending a crafted request that triggers a stack overflow in the wanMTU2 parameter.