CVE-2025-21064 in Smart Switch
Summary
by MITRE • 10/10/2025
Improper authentication in Smart Switch prior to version 3.7.66.6 allows adjacent attackers to access transferring data.
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Analysis
by VulDB Data Team • 10/29/2025
The vulnerability identified as CVE-2025-21064 represents a critical authentication flaw within Smart Switch software versions prior to 3.7.66.6. This issue stems from inadequate verification mechanisms that fail to properly authenticate users attempting to access data transfer operations. The flaw specifically affects networked devices that utilize Smart Switch functionality, creating a significant security risk for organizations relying on these systems for network management and device control. The vulnerability's classification as improper authentication aligns with CWE-287 which addresses authentication failures in software systems. Attackers exploiting this weakness can potentially gain unauthorized access to sensitive network data transfers without proper credentials or authorization.
The technical implementation of this vulnerability occurs within the authentication layer of the Smart Switch software where the system fails to adequately validate user credentials or session tokens during data transfer operations. This allows an attacker positioned within the same network segment to intercept and manipulate data transfers without proper authentication. The adjacent network attacker profile indicates that the vulnerability does not require remote exploitation but rather relies on physical or network proximity to the target device. This characteristic makes the vulnerability particularly concerning for environments where network segmentation is not properly enforced or where attackers have already gained access to the local network. The flaw essentially creates a backdoor mechanism that bypasses normal authentication procedures during critical data operations.
The operational impact of CVE-2025-21064 extends beyond simple unauthorized access to encompass potential data breaches, network disruption, and compromise of network integrity. Organizations using affected Smart Switch versions may experience unauthorized data transfers, modification of network configurations, or exposure of sensitive network information to unauthorized parties. The vulnerability particularly affects environments where Smart Switch is used for network device management, configuration updates, or data synchronization between network components. This could lead to cascading failures where unauthorized modifications to network settings could disrupt services or create additional security vulnerabilities. The impact is further amplified by the fact that the vulnerability affects the fundamental authentication mechanisms that protect data transfer operations, making it a critical concern for network security posture.
Mitigation strategies for CVE-2025-21064 center on immediate software updates to version 3.7.66.6 or later, which contain the necessary authentication fixes. Organizations should implement network segmentation measures to limit adjacent network access and enforce strict access controls for network management interfaces. The implementation of additional authentication layers such as multi-factor authentication or role-based access controls can provide defense in depth against potential exploitation attempts. Network monitoring solutions should be deployed to detect unusual data transfer patterns that might indicate exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify all instances of affected Smart Switch implementations and ensure proper patch management protocols are in place. This vulnerability demonstrates the importance of maintaining current software versions and implementing robust network access controls as outlined in the mitre ATT&CK framework under the privilege escalation and credential access tactics. Organizations should also consider implementing network intrusion detection systems specifically configured to monitor for authentication bypass attempts and unauthorized data transfer activities.