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HIGH

CVE-2026-3400

Tenda AC15 TextEditingConversion stack-based overflow

CVSS v3

8.8

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

poc

SSVC status

Description

A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

Technical details

Published
2026-03-01
Last Modified
2026-03-03

Frequently asked questions

What is CVE-2026-3400?

A security flaw has been discovered in Tenda AC15 up to 15.13.07.13. Affected by this issue is some unknown functionality of the file /goform/TextEditingConversion. The manipulation of the argument wpapsk_crypto2_4g results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

Is CVE-2026-3400 actively exploited?

A proof-of-concept exploit exists for CVE-2026-3400, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-3400?

CVE-2026-3400 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-3400 affecting your environment?

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