CVE-2025-7796 HIGH

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

Vendor Tenda
Product FH451
Weakness CWE-121
Published July 18, 2025
Last update July 18, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 18, 2025 CVE published
July 18, 2025 Record updated