CVE-2026-4974

A flaw has been found in Tenda AC7 15.03.06.44. Affected by this issue is the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. Executing a manipulation of the argument Time can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been published and may 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-AC7-fromSetSysTime-32153a41781f801c95b0f8a53eaa9a1f?source=copy_link	Exploit Third Party Advisory
https://vuldb.com/?ctiid.353861	Permissions Required VDB Entry
https://vuldb.com/?id.353861	Third Party Advisory VDB Entry
https://vuldb.com/?submit.778207	Third Party Advisory VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac7_firmware:15.03.06.44:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac7:1.0:*:*:*:*:*:*:*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se ha encontrado una falla en Tenda AC7 15.03.06.44. Afectada por este problema está la función fromSetSysTime del archivo /goform/SetSysTimeCfg del componente Gestor de Solicitudes POST. Ejecutar una manipulación del argumento Time puede llevar a un desbordamiento de búfer basado en pila. Es posible lanzar el ataque de forma remota. El exploit ha sido publicado y puede ser utilizado.

Information

Published : 2026-03-27 20:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-4974

Mitre link : CVE-2026-4974

CVE.ORG link : CVE-2026-4974

JSON object : View

Products Affected

tenda

ac7
ac7_firmware

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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