Samsung Devices USB Connection Mode insecure default initialization of resource

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Samsung Devices and classified as critical. This issue affects some unknown processing of the component USB Connection Mode. Executing a manipulation can lead to insecure default initialization of resource. This vulnerability appears as CVE-2025-21073. The attacker needs to be present on the local network. There is no available exploit.

Detailsinfo

A vulnerability has been found in Samsung Devices (the affected version is unknown) and classified as critical. This vulnerability affects an unknown code of the component USB Connection Mode. The manipulation with an unknown input leads to a insecure default initialization of resource vulnerability. The CWE definition for the vulnerability is CWE-1188. The product initializes or sets a resource with a default that is intended to be changed by the administrator, but the default is not secure. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Insecure default configuration in USB connection mode prior to SMR Nov-2025 Release 1 allows privileged physical attackers to access user data. User interaction is required for triggering this vulnerability.

The advisory is available at security.samsungmobile.com. This vulnerability was named CVE-2025-21073 since 11/06/2024. The exploitation appears to be difficult. The attack needs to be initiated within the local network. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 11/08/2025).

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 4.1
NVD Vector: 🔒

CNA Base Score: 6.8
CNA Vector (SamsungMobile): 🔒

CVSSv2info

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

Exploitinginfo

Class: Insecure default initialization of resource
CWE: CWE-1188
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Partially
Remote: Partially

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

11/06/2024 CVE reserved
11/05/2025 +364 days Advisory disclosed
11/05/2025 +0 days VulDB entry created
11/08/2025 +3 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2025-21073 (🔒)
GCVE (CVE): GCVE-0-2025-21073
GCVE (VulDB): GCVE-100-331258

Entryinfo

Created: 11/05/2025 07:58
Updated: 11/08/2025 13:27
Changes: 11/05/2025 07:58 (61), 11/08/2025 13:27 (11)
Complete: 🔍
Cache ID: 216::103

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