CVE-2025-52221: Buffer Overflow

Published Apr 8, 2026
·
Updated

Tenda AC6 15.03.05.16multi is vulnerable to Buffer Overflow in the formSetCfm function via the funcname, funcpara1, and funcpara2 parameters.

Affected Software

3 affected components
Tenda AC6=15.03.05.16_multi
All of the following
Tenda Ac6 Firmware=15.03.05.16_multi
Tenda AC6=1.0

Event History

Apr 8, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:24 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-52221?

CVE-2025-52221 has a high severity rating due to its potential for remote code execution through buffer overflow.

2

How do I fix CVE-2025-52221?

To fix CVE-2025-52221, update the Tenda AC6 to the latest firmware version that addresses this buffer overflow vulnerability.

3

What are the affected products of CVE-2025-52221?

CVE-2025-52221 affects Tenda AC6 devices running firmware version 15.03.05.16_multi.

4

Can CVE-2025-52221 be exploited remotely?

Yes, CVE-2025-52221 allows for remote exploitation via the vulnerable formSetCfm function.

5

What are the implications of CVE-2025-52221?

Exploitation of CVE-2025-52221 could allow attackers to gain unauthorized access and execute arbitrary code on the device.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203