CVE-2025-7434: Tenda FH451 POST Request addressNat fromAddressNat stack-based overflow

Published Jul 11, 2025
·
Updated

A vulnerability was found in Tenda FH451 up to 1.0.0.9 and classified as critical. Affected by this issue is the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected Software

3 affected components
Tenda FH451<=1.0.0.9
All of the following
Tenda Fh451 Firmware<=1.0.0.9
Tenda FH451

Event History

Jul 11, 2025
CVE Published
via MITRE·01:32 AM
Data Sourced
via MITRE·01:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software
Nov 7, 57553
Event
via FIRST·03:31 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-2025-7434?

CVE-2025-7434 is classified as critical due to the potential for stack-based buffer overflow.

2

How do I fix CVE-2025-7434?

To remediate CVE-2025-7434, update the Tenda FH451 firmware to the latest version beyond 1.0.0.9.

3

What systems are affected by CVE-2025-7434?

CVE-2025-7434 affects Tenda FH451 devices with firmware versions up to and including 1.0.0.9.

4

What type of vulnerability is CVE-2025-7434?

CVE-2025-7434 is a stack-based buffer overflow vulnerability resulting from improper handling of POST request arguments.

5

What is the attack vector for CVE-2025-7434?

The attack vector for CVE-2025-7434 involves manipulating the argument 'page' in the fromAddressNat function within the POST Request Handler.

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