Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot (AVB) functionality. With physical access to the affected device, a crafted system image may be installed.

Attack Vector Physical

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

Attack Vector Physical

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00196.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Rakuten Mobile, Inc. Rakuten Mini affected
Version Status Constraints
all versions affected —
Rakuten Mobile, Inc. Rakuten Hand affected
Version Status Constraints
all versions affected —
Rakuten Mobile, Inc. Rakuten Hand 5G affected
Version Status Constraints
all versions affected —
Rakuten Mobile, Inc. Rakuten BIGs affected
Version Status Constraints
all versions affected —

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://jvn.jp/en/jp/JVN47427200/ cve-icon cve-icon
https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-big-s/support/index.html cve-icon cve-icon
https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-hand-5g/support/index.html cve-icon cve-icon
https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-hand/support/index.html cve-icon cve-icon
https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-mini/support/index.html cve-icon cve-icon
History

Thu, 15 Oct 2026 06:45:00 +0000

Type Values Removed Values Added
Title Android Verified Boot Test Key Vulnerability Enables Physical-Access Device Compromise

Wed, 14 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 14 Oct 2026 05:30:00 +0000

Type Values Removed Values Added
Description Multiple smartphones provided by Rakuten Mobile, Inc. utilize AOSP test keys for their Android Verified Boot (AVB) functionality. With physical access to the affected device, a crafted system image may be installed.
Weaknesses CWE-1391
References
Metrics cvssV3_0

{'score': 6.6, 'vector': 'CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-10-14T16:04:59.139Z

Reserved: 2026-10-07T10:23:41.353Z

Link: CVE-2026-107153

cve-icon Vulnrichment

Updated: 2026-10-14T16:04:43.903Z

cve-icon NVD

Status : Received

Published: 2026-10-14T06:17:05.390

Modified: 2026-10-14T17:18:17.330

Link: CVE-2026-107153

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-15T06:30:14Z

Weaknesses