CVE-2026-2908

A security vulnerability has been detected in Tenda HG9 300001138. Affected by this issue is some unknown functionality of the file /boaform/formLoopBack of the component Loopback Detection Configuration Endpoint. Such manipulation of the argument Ethtype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
References
Link Resource
https://github.com/QIU-DIE/cve-nneeww/issues/10 Exploit Issue Tracking Mitigation Third Party Advisory
https://vuldb.com/?ctiid.347217 Permissions Required VDB Entry
https://vuldb.com/?id.347217 Third Party Advisory VDB Entry
https://vuldb.com/?submit.755202 Third Party Advisory VDB Entry
https://www.tenda.com.cn/ Product
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:hg9_firmware:300001138:*:*:*:*:*:*:*
cpe:2.3:h:tenda:hg9:-:*:*:*:*:*:*:*

History

17 Jun 2026, 10:32

Type Values Removed Values Added
Summary
  • (es) Se ha detectado una vulnerabilidad de seguridad en Tenda HG9 300001138 que afecta a alguna funcionalidad desconocida del archivo /boaform/formLoopBack del componente Loopback Detection Configuration Endpoint. Si se manipula el argumento Ethtype se puede provocar un desbordamiento de búfer basado en pila. El ataque puede ser ejecutado de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado.

23 Feb 2026, 20:21

Type Values Removed Values Added
References () https://github.com/QIU-DIE/cve-nneeww/issues/10 - () https://github.com/QIU-DIE/cve-nneeww/issues/10 - Exploit, Issue Tracking, Mitigation, Third Party Advisory
References () https://vuldb.com/?ctiid.347217 - () https://vuldb.com/?ctiid.347217 - Permissions Required, VDB Entry
References () https://vuldb.com/?id.347217 - () https://vuldb.com/?id.347217 - Third Party Advisory, VDB Entry
References () https://vuldb.com/?submit.755202 - () https://vuldb.com/?submit.755202 - Third Party Advisory, VDB Entry
References () https://www.tenda.com.cn/ - () https://www.tenda.com.cn/ - Product
CPE cpe:2.3:h:tenda:hg9:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:hg9_firmware:300001138:*:*:*:*:*:*:*
First Time Tenda
Tenda hg9 Firmware
Tenda hg9

22 Feb 2026, 02:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-22 02:16

Updated : 2026-06-17 10:32


NVD link : CVE-2026-2908

Mitre link : CVE-2026-2908

CVE.ORG link : CVE-2026-2908


JSON object : View

Products Affected

tenda

  • hg9_firmware
  • hg9
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-121

Stack-based Buffer Overflow