CVE-2026-12807

A vulnerability was found in Edimax BR-6478AC V2 1.23. This affects the function setWAN of the file /goform/setWAN of the component POST Request Handler. The manipulation of the argument pppUserName/pptpUserName/L2TPUserName results in command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://lavender-bicycle-a5a.notion.site/EDIMAX-BR6478ACV2-setWAN-34b53a41781f80b98c4be24d8cae61b1?source=copy_link
https://vuldb.com/cve/CVE-2026-12807
https://vuldb.com/submit/836669
https://vuldb.com/vuln/372601
https://vuldb.com/vuln/372601/cti

Configurations

No configuration.

History

25 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad fue encontrada en Edimax BR-6478AC V2 1.23. Esto afecta la función setWAN del archivo /goform/setWAN del componente Gestor de Solicitudes POST. La manipulación del argumento pppUserName/pptpUserName/L2TPUserName resulta en inyección de comandos. Es posible lanzar el ataque remotamente. El exploit ha sido hecho público y podría ser usado. El proveedor fue contactado tempranamente sobre esta divulgación pero no respondió de ninguna manera.

Information

Published : 2026-06-21 21:16

Updated : 2026-10-25 23:10

NVD link : CVE-2026-12807

Mitre link : CVE-2026-12807

CVE.ORG link : CVE-2026-12807

JSON object : View

Products Affected

No product.

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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