CVE-2026-21411

Summary

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 Software

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

Weaknesses

  • CWE-288: Authentication Bypass Using an Alternate Path or Channel

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References