CVE-2026-80253

State: Published
Severity: 7.0 High
Published: Sep 3, 2026
Updated: Sep 3, 2026
Reserved: Aug 26, 2026

Description

An improper physical access control issue exists in ShizenBox2 (dev-conf). If exploited, an attacker with physical access to the product may execute bootloader commands without authentication.

Scores

CVSS	Score	Vector	Source
4.0	7.0 High	CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	jpcert
3.0	6.8 Medium	CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	jpcert

Weaknesses

CWE-1263 Improper physical access control

Affected Products

Product	Versions
ShizenBox2 (dev-conf)Shizen Connect Inc.	v1.0.10 and earlierAffected

References

https://www.se-digital.net/wp-content/uploads/2026/08/CVE-2026-80253.pdf
https://jvn.jp/en/jp/JVN91715694/

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