CVE-2025-7796

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-7796
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.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

9.0 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 8.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromPptpUserAdd.md Exploit Third Party Advisory
https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromPptpUserAdd.md#poc Exploit Third Party Advisory
https://vuldb.com/?ctiid.316857 Permissions Required
https://vuldb.com/?id.316857 Third Party Advisory VDB Entry
https://vuldb.com/?submit.616345 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:fh451_firmware:1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:h:tenda:fh451:-:*:*:*:*:*:*:*
History

23 Jul 2025, 16:39

Type Values Removed Values Added
References () https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromPptpUserAdd.md - () https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromPptpUserAdd.md - Exploit, Third Party Advisory
References () https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromPptpUserAdd.md#poc - () https://github.com/panda666-888/vuls/blob/main/tenda/fh451/fromPptpUserAdd.md#poc - Exploit, Third Party Advisory
References () https://vuldb.com/?ctiid.316857 - () https://vuldb.com/?ctiid.316857 - Permissions Required
References () https://vuldb.com/?id.316857 - () https://vuldb.com/?id.316857 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.616345 - () https://vuldb.com/?submit.616345 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
First Time Tenda fh451 Firmware
Tenda fh451
Tenda
CPE cpe:2.3:o:tenda:fh451_firmware:1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:h:tenda:fh451:-:*:*:*:*:*:*:*

22 Jul 2025, 13:06

Type Values Removed Values Added
Summary
  • (es) Se encontró una vulnerabilidad clasificada como crítica en Tenda FH451 1.0.0.9. Esta afecta la función fromPptpUserAdd del archivo /goform/PPTPDClient. La manipulación del argumento "Username" provoca un desbordamiento del búfer en la pila. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado.

18 Jul 2025, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-07-18 18:15

Updated : 2025-07-23 16:39

NVD link : CVE-2025-7796

Mitre link : CVE-2025-7796

CVE.ORG link : CVE-2025-7796

JSON object : View

Products Affected

tenda

  • fh451_firmware
  • fh451
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow