CVE-2026-3400 HIGH

CVE-2026-3400: Tenda AC15 TextEditingConversion stack-based overflow

Vendor Tenda
Product AC15
Weakness CWE-121
Published March 1, 2026
Last update March 2, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 1, 2026 CVE published
March 2, 2026 Record updated