CVE-2026-3678

CWE-119 — Buffer OverflowCWE-121 — Stack-based Buffer Overflow3 documents3 sources
Severity
7.4HIGH
EPSS
0.1%
top 74.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tenda Fh451Tenda Fh451 Firmware
Timeline
PublishedMar 7
Latest updateMar 8

Description

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.

CVSS vector

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

Affected Packages2 packages

▶CVEListV5tenda/fh4511.0.0.9

🔴Vulnerability Details

2
GHSA
GHSA-w4jv-rg29-ff2w: A vulnerability was determined in Tenda FH451 1↗2026-03-08
▶
CVEList
Tenda FH451 AdvSetWan sub_3C434 stack-based overflow↗2026-03-07
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