CVE-2026-5609 HIGH

CVE-2026-5609: Tenda i12 Parameter wifiSSIDset formwrlSSIDset stack-based overflow

Vendor Tenda
Product i12
Weakness CWE-121
Published April 6, 2026
Last update April 6, 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 i12 1.0.0.11(3862). Affected by this vulnerability is the function formwrlSSIDset of the file /goform/wifiSSIDset of the component Parameter Handler. This manipulation of the argument index/wl_radio causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been published and may be used.

Key dates

02Disclosure timeline

April 6, 2026 CVE published
April 6, 2026 Record updated