CVE-2026-3678
HIGHTenda FH451 1.0.0.9 - Buffer Overflow
Title source: llmDescription
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.
Scores
CVSS v3
8.8
EPSS
0.0009
EPSS Percentile
25.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
CWE-121
Status
published
Products (1)
tenda/fh451_firmware
1.0.0.9
Published
Mar 07, 2026
Tracked Since
Mar 08, 2026