CVE-2025-21058

Vulnerability

Overview

CVE-2025-21058 is an improper access control vulnerability in the Samsung Routines application. The flaw exists in versions prior to 4.8.7.1 on Android 15 and prior to 4.9.6.0 on Android 16. The root cause is insufficient enforcement of access controls, which allows a local attacker to bypass intended restrictions and interact with privileged components of the SystemUI process.

Exploitation

An attacker must have local access to the device, such as through a malicious application installed by the user. No additional authentication is required beyond the initial device access. The vulnerability can be triggered by exploiting the improper access control in Routines, enabling the attacker to escalate privileges from the application's sandbox to the SystemUI level.

Impact

Successful exploitation allows the attacker to execute arbitrary code with SystemUI privileges. This can lead to unauthorized modification of system settings, interception of user input, or access to sensitive data managed by the SystemUI process, potentially compromising the confidentiality and integrity of the device.

Mitigation

Samsung has addressed this vulnerability by releasing updated versions of Routines: 4.8.7.1 for Android 15 and 4.9.6.0 for Android 16. Users are advised to update the application through the Galaxy Store or system updates to mitigate the risk [1].