CVE-2025-5671: TOTOLINK N302R Plus HTTP POST Request formPortFw buffer overflow

Published Jun 5, 2025
·
Updated

A vulnerability, which was classified as critical, was found in TOTOLINK N302R Plus up to 3.4.0-B20201028. Affected is an unknown function of the file /boafrm/formPortFw of the component HTTP POST Request Handler. The manipulation of the argument servicetype leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Affected Software

3 affected components
TOTOLINK N302R Plus<=3.4.0-B20201028
All of the following
TOTOLINK N302r Plus Firmware<3.4.0-b20201028
TOTOLINK N302R Plus

Event History

Jun 5, 2025
CVE Published
via MITRE·05:31 PM
Data Sourced
via MITRE·05:31 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
May 26, 57485
Event
via FIRST·06:48 AM
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-2025-5671?

CVE-2025-5671 is classified as a critical vulnerability.

2

How do I fix CVE-2025-5671?

To fix CVE-2025-5671, update the TOTOLINK N302R Plus firmware to a version later than 3.4.0-B20201028.

3

What components are affected by CVE-2025-5671?

CVE-2025-5671 affects the HTTP POST Request Handler, specifically the function related to the '/boafrm/formPortFw' file.

4

What kind of vulnerability is CVE-2025-5671?

CVE-2025-5671 is a buffer overflow vulnerability caused by manipulation of the 'service_type' argument.

5

Which devices are impacted by CVE-2025-5671?

Devices affected by CVE-2025-5671 are the TOTOLINK N302R Plus models running firmware version up to 3.4.0-B20201028.

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