Samsung Notes up to 4.4.29.23 SPI Decoder out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung Notes and classified as problematic. Affected by this issue is some unknown functionality of the component SPI Decoder. Executing a manipulation can lead to out-of-bounds. This vulnerability is handled as CVE-2025-21066. It is possible to launch the attack on the local host. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Samsung Notes and classified as problematic. This vulnerability affects an unknown code of the component SPI Decoder. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Out-of-bounds read in the SPI decoder in Samsung Notes prior to version 4.4.30.63 allows local attackers to access out-of-bounds memory.

The advisory is shared for download at security.samsungmobile.com. This vulnerability was named CVE-2025-21066 since 11/06/2024. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading to version 4.4.30.63 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔒

CNA Base Score: 4.0
CNA Vector (SamsungMobile): 🔒

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Notes 4.4.30.63

Timelineinfo

11/06/2024 CVE reserved
10/10/2025 +337 days Advisory disclosed
10/10/2025 +0 days VulDB entry created
10/16/2025 +6 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2025-21066 (🔒)
GCVE (CVE): GCVE-0-2025-21066
GCVE (VulDB): GCVE-100-327856

Entryinfo

Created: 10/10/2025 08:51
Updated: 10/16/2025 20:51
Changes: 10/10/2025 08:51 (65), 10/16/2025 20:51 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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