Rakuten Mobile Rakuten Mini Android Verified Boot data authenticity

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.7$0-$5k0.80

Summaryinfo

A vulnerability classified as very critical has been found in Rakuten Mobile Rakuten Mini, Rakuten Hand, Rakuten Hand 5G and Rakuten BIGs. This affects an unknown part of the component Android Verified Boot. The manipulation leads to data authenticity. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is documented as CVE-2026-107153. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability was found in Rakuten Mobile Rakuten Mini, Rakuten Hand, Rakuten Hand 5G and Rakuten BIGs (version now known). It has been rated as very critical. This issue affects some unknown processing of the component Android Verified Boot. The manipulation with an unknown input leads to a data authenticity vulnerability. Using CWE to declare the problem leads to CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at network.mobile.rakuten.co.jp. The identification of this vulnerability is CVE-2026-107153 since 10/07/2026. The exploitation is known to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/14/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.6
CNA Vector (jpcert): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Data authenticity
CWE: CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/07/2026 CVE reserved
10/14/2026 +7 days Advisory disclosed
10/14/2026 +0 days VulDB entry created
10/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: network.mobile.rakuten.co.jp
Status: Not defined

CVE: CVE-2026-107153 (🔒)
GCVE (CVE): GCVE-0-2026-107153
GCVE (VulDB): GCVE-100-419201

Entryinfo

Created: 10/14/2026 08:07
Changes: 10/14/2026 08:07 (73)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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