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HIGH

CVE-2026-3679

CVSS v3

8.8

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-04

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-03-07
Last Modified
2026-03-09

Frequently asked questions

What is CVE-2026-3679?

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.

Is CVE-2026-3679 actively exploited?

Active exploitation of CVE-2026-3679 has not been confirmed. Its EPSS score was 1.0% on 2026-10-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-3679?

CVE-2026-3679 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-3679 affecting your environment?

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