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CVE-2026-3678

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/7/2026

Last Modified3/9/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tenda:fh451tenda:fh451_firmware

Weaknesses (CWE)

CWE-119CWE-121

References

https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_62/README.md(cna@vuldb.com)

https://vuldb.com/?ctiid.349580(cna@vuldb.com)

https://vuldb.com/?id.349580(cna@vuldb.com)

https://vuldb.com/?submit.765330(cna@vuldb.com)

https://www.tenda.com.cn/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.