CVE-2025-7805: Tenda FH451 PPTPUserSetting fromPptpUserSetting stack-based overflow

Published Jul 18, 2025
·
Updated

A vulnerability classified as critical has been found in Tenda FH451 1.0.0.9. This affects the function fromPptpUserSetting of the file /goform/PPTPUserSetting. The manipulation of the argument delno leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Affected Software

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

Event History

Jul 18, 2025
CVE Published
via MITRE·07:32 PM
Data Sourced
via MITRE·07:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
Jun 17, 58473
Event
via NVD·04:12 PM
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-2025-7805?

CVE-2025-7805 is classified as a critical vulnerability.

2

How can CVE-2025-7805 be exploited?

CVE-2025-7805 can be exploited by manipulating the delno argument in the fromPptpUserSetting function, leading to a stack-based buffer overflow.

3

Which device is affected by CVE-2025-7805?

CVE-2025-7805 affects the Tenda FH451 running version 1.0.0.9.

4

Is remote exploitation possible for CVE-2025-7805?

Yes, CVE-2025-7805 can be exploited remotely.

5

How do I fix CVE-2025-7805?

To fix CVE-2025-7805, update the Tenda FH451 to the latest version provided by the manufacturer.

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