Improper Physical Access Control in ShizenBox2 by SE Digital
CVE-2026-80253

7HIGH

Key Information:

Vendor

Shizen Connect Inc.

Status
Shizenbox2 (dev-conf)
Vendor
CVE Published:
3 September 2026

What is CVE-2026-80253?

An improper physical access control vulnerability exists in ShizenBox2 (dev-conf) that allows attackers with physical access to execute bootloader commands without authentication. This flaw can compromise device integrity and security, posing significant risks to data and operational processes. It is essential for organizations utilizing this device to implement strict physical security measures to mitigate potential exploitation of this vulnerability.

Affected Version(s)

ShizenBox2 (dev-conf) 0

References

https://www.se-digital.net/wp-content/uploads/2026/08/CVE...
https://jvn.jp/en/jp/JVN91715694/

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

CVSS V3.0

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.