CVE-2026-9380

A security vulnerability has been detected in Edimax BR-6675nD 1.12. Affected is the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. Such manipulation of the argument L2TPUserName leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 8.8 HIGH
CVSS v2.0 9.0 HIGH

8.8^/10

CVSS v3 : HIGH

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

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://lavender-bicycle-a5a.notion.site/EDIMAX-BR-6675nD-formL2TPSetup-34b53a41781f805abdfbdcbe930ad70a?source=copy_link
https://vuldb.com/submit/811558
https://vuldb.com/vuln/365343
https://vuldb.com/vuln/365343/cti

Configurations

No configuration.

History

23 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de seguridad ha sido detectada en Edimax BR-6675nD 1.12. Afectada es la función formL2TPSetup del archivo /goform/formL2TPSetup del componente Gestor de Solicitudes POST. Dicha manipulación del argumento L2TPUserName conduce a un desbordamiento de búfer. El ataque puede ser lanzado remotamente. El exploit ha sido divulgado públicamente y puede ser utilizado. El proveedor fue contactado tempranamente sobre esta divulgación pero no respondió de ninguna manera.

24 May 2026, 13:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-24 13:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-9380

Mitre link : CVE-2026-9380

CVE.ORG link : CVE-2026-9380

JSON object : View

Products Affected

No product.

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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