Medium severity · published Oct 14, 2026
CVE-2026-107153
Multiple smartphones provided by Rakuten Mobile, Inc
6.6
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RB
Rakuten BIGs · Rakuten Mobile, Inc.
all versions · source: vendor
RH
Rakuten Hand · Rakuten Mobile, Inc.
all versions · source: vendor
RH
Rakuten Hand 5G · Rakuten Mobile, Inc.
all versions · source: vendor
RM
Rakuten Mini · Rakuten Mobile, Inc.
all versions · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-107153
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-107153
network.mobile.rakuten.co.jp
https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-mini/support/index.html
network.mobile.rakuten.co.jp
https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-hand/support/index.html
network.mobile.rakuten.co.jp
https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-hand-5g/support/index.html
network.mobile.rakuten.co.jp
https://network.mobile.rakuten.co.jp/product/smartphone/rakuten-big-s/support/index.html
jvn.jp
https://jvn.jp/en/jp/JVN47427200/