CVE-2026-214118.7HighCWE-288

CVE-2026-21411: Plat'Home Co.,Ltd. OpenBlocks IoT DX1 (FW5.0.x) vulnerability

Plat'Home Co.,Ltd. · OpenBlocks IoT DX1 (FW5.0.x)

Affected: Plat'Home Co.,Ltd. OpenBlocks IoT DX1 (FW5.0.x) · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.4%probability of exploitation in the next 30 days

31st percentile

050100

Higher than 31% of scored CVEs

8.7HighCVSS 4.0

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products6

From the CVE record. A product or version that is not listed is unknown, not unaffected.

Plat'Home Co.,Ltd. · OpenBlocks IoT DX1 (FW5.0.x)all versions prior to FW5.0.8
Plat'Home Co.,Ltd. · OpenBlocks IoT EX/BX models (FW5.0.x)all versions prior to FW5.0.8
Plat'Home Co.,Ltd. · OpenBlocks IX9 models with FW (FW5.0.x)all versions prior to FW5.0.8
Plat'Home Co.,Ltd. · OpenBlocks IoT VX2 (FW5.0.x)all versions prior to FW5.0.8
Plat'Home Co.,Ltd. · OpenBlocks IDM RX1 (FW5.0.x)all versions prior to FW5.0.8
Plat'Home Co.,Ltd. · OpenBlocks IoT FX1 (FW5.0.x)all versions prior to FW5.0.8

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Authentication Bypass Using an Alternate Path or Channel · Authentication
Vendor: Plat'Home Co.,Ltd.
Published: January 2026
Band: Unlikely (under 1%), January 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-21411 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.