CVE-2026-4961

A vulnerability was identified in Tenda AC6 15.03.05.16. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex of the component POST Request Handler. The manipulation of the argument PPPOEPassword leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

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/Tenda-AC6-QuickIndex-32053a41781f80758e27fa4259ec80cf?source=copy_link	Exploit Third Party Advisory
https://vuldb.com/?ctiid.353838	Permissions Required VDB Entry
https://vuldb.com/?id.353838	Third Party Advisory VDB Entry
https://vuldb.com/?submit.777617	Third Party Advisory VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac6_firmware:15.03.05.16:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac6:1.0:*:*:*:*:*:*:*

History

26 Oct 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad fue identificada en Tenda AC6 15.03.05.16. Afectada por esta vulnerabilidad es la función formQuickIndex del archivo /goform/QuickIndex del componente Gestor de Solicitudes POST. La manipulación del argumento PPPOEPassword conduce a desbordamiento de búfer basado en pila. El ataque es posible de llevar a cabo remotamente. El exploit está disponible públicamente y podría ser utilizado.

Information

Published : 2026-03-27 17:16

Updated : 2026-10-26 00:10

NVD link : CVE-2026-4961

Mitre link : CVE-2026-4961

CVE.ORG link : CVE-2026-4961

JSON object : View

Products Affected

tenda

ac6_firmware
ac6

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

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