CVE-2026-2909

published 2026-02-22

CVE-2026-2909: A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint…

high 7.4 CVSS 4.0

AV N AC L AT N PR L UI N VC H VI H VA H SC N SI N SA N E P CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

A vulnerability was detected in Tenda HG9 300001138. This affects an unknown part of the file /boaform/formPing of the component Diagnostic Ping Endpoint. Performing a manipulation of the argument pingAddr results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
tenda	hg9	—	—
tenda	hg9_firmware	—	—

CWE-119 CWE-121