VDB-355651 · CVE-2025-54602 · EUVD-2025-209245

Samsung Samsung Mobile Processor/Wearable Processor Exynos Global Variable use after free

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 (≈) 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.
8.0	$0-$5k	1.57

Summaryinfo

A vulnerability identified as critical has been detected in Samsung Samsung Mobile Processor and Wearable Processor Exynos up to 1580. Affected is an unknown function of the component Global Variable Handler. This manipulation causes use after free. This vulnerability is handled as CVE-2025-54602. There is not any exploit available.

Detailsinfo

A vulnerability was found in Samsung Samsung Mobile Processor and Wearable Processor Exynos up to 1580. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Global Variable Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in the Wi-Fi driver in Samsung Mobile Processor and Wearable Processor Exynos 980, 850, 1080, 1280, 1330, 1380, 1480, 1580, W920, W930, and W1000. Improper synchronization on a global variable leads to a use-after-free. An attacker can trigger a race condition by invoking an ioctl function concurrently from multiple threads.

It is possible to read the advisory at semiconductor.samsung.com. This vulnerability is known as CVE-2025-54602 since 07/27/2025. The exploitation appears to be easy. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/06/2026).

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-209245). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Samsung

Name

Version

License

commercial

Website

Vendor: https://www.samsung.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.0
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/27/2025 CVE reserved
04/06/2026 +253 days Advisory disclosed
04/06/2026 +0 days VulDB entry created
04/06/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: samsung.com

Advisory: semiconductor.samsung.com
Status: Confirmed

CVE: CVE-2025-54602 (🔒)
GCVE (CVE): GCVE-0-2025-54602
GCVE (VulDB): GCVE-100-355651
EUVD: 🔒

Entryinfo

Created: 04/06/2026 22:00
Updated: 04/06/2026 23:05
Changes: 04/06/2026 22:00 (53), 04/06/2026 23:05 (1)
Complete: 🔍
Cache ID: 216:672:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.