CVE-2025-71026: 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 wanSpeed2 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-2025-71026?
CVE-2025-71026 is classified as a Denial of Service vulnerability.
2
How do I fix CVE-2025-71026?
To mitigate CVE-2025-71026, update Tenda AX-3 to the latest firmware version provided by the vendor.
3
What impact does CVE-2025-71026 have on affected systems?
CVE-2025-71026 allows attackers to exploit a stack overflow, potentially leading to a Denial of Service condition.
4
Which devices are affected by CVE-2025-71026?
CVE-2025-71026 specifically affects Tenda AX-3 devices running version v16.03.12.10_CN.
5
How can attackers exploit CVE-2025-71026?
Attackers can exploit CVE-2025-71026 by sending crafted requests to the wanSpeed2 parameter to trigger a stack overflow.