CVE-2026-3679

HIGH

Tenda FH451 1.0.0.9 - Buffer Overflow

Title source: llm
STIX 2.1

Description

A vulnerability was identified in Tenda FH451 1.0.0.9. Affected by this vulnerability is the function formQuickIndex of the file /goform/QuickIndex. Such manipulation of the argument mit_linktype/PPPOEPassword leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is publicly available and might be used.

References (5)

Core 5
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.349581
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.349581
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.765331
Various Sources product
https://www.tenda.com.cn/

Scores

CVSS v3 8.8
EPSS 0.0059
EPSS Percentile 43.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (1)
tenda/f451_firmware 1.0.0.9
Published Mar 07, 2026
Tracked Since Mar 08, 2026