CVE-2026-3678

published 2026-03-07

CVE-2026-3678: A vulnerability was determined in Tenda FH451 1.0.0.9. Affected is the function sub_3C434 of the file /goform/AdvSetWan. This manipulation of the argument…

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 determined in Tenda FH451 1.0.0.9. Affected is the function sub_3C434 of the file /goform/AdvSetWan. This manipulation of the argument wanmode/PPPOEPassword causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
tenda	fh451	—	—
tenda	fh451_firmware	—	—

CWE-119 CWE-121