CVE-2026-8138

A vulnerability was found in Tenda CX12L 16.03.53.12. This issue affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg”. The manipulation results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could 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/cve-a/lvdan/issues/6	Exploit Issue Tracking Third Party Advisory
https://vuldb.com/submit/808867	Third Party Advisory VDB Entry
https://vuldb.com/vuln/361927	Third Party Advisory VDB Entry
https://vuldb.com/vuln/361927/cti	Permissions Required VDB Entry
https://www.tenda.com.cn/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:cx12l_firmware:16.03.53.12:*:*:*:*:*:*:*

cpe:2.3:h:tenda:cx12l:-:*:*:*:*:*:*:*

History

26 Oct 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad fue encontrada en Tenda CX12L 16.03.53.12. Este problema afecta la función formSetPPTPServer del archivo ’/goform/SetPptpServerCfg’. La manipulación resulta en desbordamiento de búfer basado en pila. El ataque puede ser ejecutado remotamente. El exploit ha sido hecho público y podría ser usado.

Information

Published : 2026-05-08 05:16

Updated : 2026-10-26 00:10

NVD link : CVE-2026-8138

Mitre link : CVE-2026-8138

CVE.ORG link : CVE-2026-8138

JSON object : View

Products Affected

tenda

cx12l
cx12l_firmware

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow

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