CVE-2025-10815

A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. The attack can be launched 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://github.com/Juana-2u/Tenda-AC20	Not Applicable
https://vuldb.com/?ctiid.325173	Permissions Required VDB Entry
https://vuldb.com/?id.325173	Third Party Advisory VDB Entry
https://vuldb.com/?submit.654460	Third Party Advisory VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac20_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac20:-:*:*:*:*:*:*:*

History

11 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad fue identificada en Tenda AC20 hasta 16.03.08.12. Afectada por este problema es la función strcpy del archivo /goform/SetPptpServerCfg del componente Gestor de Solicitudes POST HTTP. Dicha manipulación del argumento startIp conduce a desbordamiento de búfer. El ataque puede ser lanzado remotamente. El exploit está disponible públicamente y podría ser utilizado.

Information

Published : 2025-09-22 21:15

Updated : 2026-10-11 20:10

NVD link : CVE-2025-10815

Mitre link : CVE-2025-10815

CVE.ORG link : CVE-2025-10815

JSON object : View

Products Affected

tenda

ac20_firmware
ac20

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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