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Vulnerability record · CVE-2026-80253 · published 3 September 2026

CVE-2026-80253: An improper physical access control issue exists in ShizenBox2 (dev-conf).

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.

7.0 CVSS 4.0 High EPSS 0.33% · top 76.4% CWE-1263 · CWE-1263 Deferred
7.0CVSS 4.0 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
3 Sep 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2026-80253), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.