CVE-2025-21060 in Smart Switch
Summary
by MITRE • 10/10/2025
Cleartext storage of sensitive information in Smart Switch prior to version 3.7.67.2 allows local attackers to access backup data from applications. User interaction is required for triggering this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 10/10/2025
The vulnerability identified as CVE-2025-21060 represents a critical security flaw in the Smart Switch application where sensitive data is stored in cleartext format prior to version 3.7.67.2. This weakness falls under the category of insecure data storage practices that directly violates fundamental security principles and industry standards such as those outlined in CWE-312. The vulnerability specifically affects the application's backup functionality where user credentials, personal information, and other sensitive data are persisted without proper encryption mechanisms. Attackers can exploit this flaw to gain unauthorized access to backup data files that contain confidential information, making this a significant concern for user privacy and data protection.
The technical implementation of this vulnerability stems from the application's failure to implement proper cryptographic protections for sensitive data during the backup process. When Smart Switch creates backup files containing user information, it stores this data in an unencrypted format that can be readily accessed by local attackers with minimal technical expertise. The requirement for user interaction to trigger this vulnerability indicates that the attack vector likely involves social engineering or physical access scenarios where an attacker can convince a user to initiate a backup operation or access the device during backup creation. This user interaction requirement reduces the attack surface but does not eliminate the risk entirely, particularly in environments where physical security controls are inadequate.
The operational impact of this vulnerability extends beyond simple data exposure to encompass potential identity theft, financial fraud, and privacy violations. Local attackers who gain access to backup files can extract sensitive information including but not limited to account credentials, personal identification details, and potentially financial data. The cleartext storage approach creates a persistent threat where compromised backup files remain vulnerable even after the original application is updated or the user changes their password. This vulnerability directly impacts the CIA triad by compromising confidentiality and integrity of user data, and can also affect availability if attackers use the stolen information to launch further attacks against the user's systems or accounts.
Organizations and users should immediately update to Smart Switch version 3.7.67.2 or later to remediate this vulnerability, as this represents the primary and most effective mitigation strategy. The fix likely involves implementing proper encryption mechanisms for backup data storage, ensuring that sensitive information is protected both during active use and when stored in backup files. Security teams should conduct comprehensive assessments of existing backup data to identify any potential compromises and implement additional monitoring for unauthorized access attempts. The vulnerability highlights the importance of following secure coding practices as recommended by NIST SP 800-53 and other security frameworks, particularly those addressing data protection and secure backup procedures. Organizations should also consider implementing additional security controls such as file system permissions, encryption at rest, and regular security audits to prevent similar issues in other applications. This vulnerability serves as a reminder of the critical importance of encrypting sensitive data at rest and implementing defense-in-depth strategies to protect against local privilege escalation attacks and data breach scenarios.