CVE-2026-1420 HIGH

CVE-2026-1420: Tenda AC23 WifiExtraSet buffer overflow

Vendor Tenda
Product AC23
Weakness CWE-120
Published January 26, 2026
Last update February 23, 2026
View on NVD All CVEs

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 flaw has been found in Tenda AC23 16.03.07.52. This impacts an unknown function of the file /goform/WifiExtraSet. This manipulation of the argument wpapsk_crypto causes buffer overflow. Remote exploitation of the attack is possible. The exploit has been published and may be used.

Key dates

02Disclosure timeline

January 26, 2026 CVE published
February 23, 2026 Record updated