The system is deployed in its default state, with configuration settings that do not comply with the latest best practices for restricting access
Description
The system is deployed in its default state, with configuration settings that do not comply with the latest best practices for restricting access
Remediation
Apply vendor security updates immediately. Monitor for exploitation attempts and review access logs.
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VENDOR: Samsung
PRODUCT: Exynos Mobile/Wearable Processors and Modems
AFFECTED_VERSIONS: Exynos 980, 990, 850, 1080, 9110, W920, W930, W1000, Modem 5123
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Description Summary:
A vulnerability in several Samsung Exynos mobile and wearable processors, as well as specific modems, could allow for unauthorized code execution or information disclosure.
Executive Summary:
Multiple Samsung Exynos processors and modems are affected by a high-severity vulnerability that could compromise the security of mobile and wearable devices.
Vulnerability Details
CVE-ID: CVE-2025-59439
Affected Software: Samsung Mobile/Wearable Processor and Modem
Affected Versions: Exynos 980, 990, 850, 1080, 9110, W920, W930, W1000; Modem 5123
Vulnerability: The vulnerability resides in the hardware firmware or driver level of the listed Samsung Exynos chipsets. It likely involves improper boundary checks or memory management in the processor or modem components, which could be triggered by malicious input.
Business Impact
This flaw impacts a wide range of consumer and enterprise mobile devices. A successful exploit could lead to the compromise of device integrity, unauthorized access to sensitive user data, or persistent monitoring of communications. The CVSS score of 7.5 highlights a High severity risk to the mobile ecosystem.
Remediation Plan
Immediate Action: Users should apply the latest Android security updates provided by their device manufacturer (OEM) or carrier as soon as they become available.
Proactive Monitoring: Mobile Device Management (MDM) administrators should track patch compliance across the fleet to ensure all vulnerable devices are updated.
Compensating Controls: Avoid installing applications from untrusted third-party sources and maintain a strong security posture on mobile devices by using official app stores only.
Exploitation Status
Public Exploit Available: false
Analyst Notes: As of February 5, 2026, there is no public information indicating active exploitation. Chipset-level vulnerabilities are complex to exploit but provide deep system access if successful.
Analyst Recommendation
Given the wide deployment of Exynos chipsets, this vulnerability represents a significant supply-chain risk. Organizations must ensure that all corporate-managed mobile devices are updated to the latest security patch level to mitigate this hardware-level threat.