CVE-2026-21411 HIGH

CVE-2026-21411

Vendor Plat'home Co.,Ltd.
Product OpenBlocks IoT DX1 (FW5.0.x)
Weakness CWE-288
Published January 6, 2026
Last update January 6, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Authentication bypass issue exists in OpenBlocks series versions prior to FW5.0.8, which may allow an attacker to bypass administrator authentication and change the password.

Key dates

02Disclosure timeline

January 6, 2026 CVE published
January 6, 2026 Record updated