CVE-2025-7796: Tenda FH451 PPTPDClient fromPptpUserAdd stack-based overflow

Published Jul 18, 2025
·
Updated

A vulnerability, which was classified as critical, was found in Tenda FH451 1.0.0.9. This affects the function fromPptpUserAdd of the file /goform/PPTPDClient. The manipulation of the argument Username 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·05:32 PM
Data Sourced
via MITRE·05:32 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Jun 18, 58473
Event
via NVD·01:06 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-7796?

CVE-2025-7796 is classified as a critical vulnerability.

2

How do I fix CVE-2025-7796?

To mitigate CVE-2025-7796, update the Tenda FH451 to the latest firmware version provided by the vendor.

3

What underlying issue does CVE-2025-7796 exploit?

CVE-2025-7796 exploits a stack-based buffer overflow vulnerability in the fromPptpUserAdd function.

4

Who is affected by CVE-2025-7796?

CVE-2025-7796 affects users of the Tenda FH451 router running version 1.0.0.9.

5

Can CVE-2025-7796 be exploited remotely?

Yes, CVE-2025-7796 can be exploited remotely if the vulnerable function is accessible.

Contact

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