Vulnerability in Rakuten Mobile, Inc. Bigs
CVE-2026-107153
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- network.mobile.rakuten.co.jp/product/smartphone/rakuten-mini/support/index.html
- network.mobile.rakuten.co.jp/product/smartphone/rakuten-hand/support/index.html
- network.mobile.rakuten.co.jp/product/smartphone/rakuten-hand-5g/support/index.h…
- network.mobile.rakuten.co.jp/product/smartphone/rakuten-big-s/support/index.html
- jvn.jp/en/jp/JVN47427200/
Frequently asked questions
- What is CVE-2026-107153?
- CVE-2026-107153 is a medium-severity vulnerability in Rakuten Mobile, Inc. Bigs, classified under CWE-1391. CVSS score: 6.6/10. Published 2026-10-14.
- How severe is CVE-2026-107153?
- Medium severity. CVSS v3 base score is 6.6 out of 10.