CVE-2025-65221: Buffer Overflow
Published Nov 20, 2025
·Updated
Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.
Affected Software
3 affected components
Tenda AC21
All of the following
Tenda Ac21 Firmware=16.03.08.16
Tenda AC21
Event History
Nov 20, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·03:17 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-65221?
CVE-2025-65221 is classified as a high severity vulnerability due to the potential for remote code execution via buffer overflow.
2
How do I fix CVE-2025-65221?
To mitigate CVE-2025-65221, update the firmware of the Tenda AC21 to the latest version that addresses this vulnerability.
3
What type of vulnerability is CVE-2025-65221?
CVE-2025-65221 is a buffer overflow vulnerability affecting Tenda AC21 routers.
4
Can CVE-2025-65221 be exploited remotely?
Yes, CVE-2025-65221 can be exploited remotely by sending specially crafted requests to the affected device.
5
What are the potential impacts of CVE-2025-65221?
Exploitation of CVE-2025-65221 can lead to remote code execution, potentially allowing attackers to gain unauthorized access to the affected device.