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HIGH

CVE-2026-3729

CVSS v3

8.8

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

A vulnerability was identified in Tenda F453 1.0.0.3/3.As. Impacted is the function fromPptpUserAdd of the file /goform/PPTPDClient. Such manipulation of the argument username/opttype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Technical details

Published
2026-03-08
Last Modified
2026-03-09

Frequently asked questions

What is CVE-2026-3729?

A vulnerability was identified in Tenda F453 1.0.0.3/3.As. Impacted is the function fromPptpUserAdd of the file /goform/PPTPDClient. Such manipulation of the argument username/opttype leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used.

Is CVE-2026-3729 actively exploited?

Active exploitation of CVE-2026-3729 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-3729?

CVE-2026-3729 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-3729 affecting your environment?

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