CVE-2025-7740 in SuprOS
Summary
by MITRE • 01/28/2026
Default credentials vulnerability exists in SuprOS product. If exploited, this could allow an authenticated local attacker to use an admin account created during product deployment.
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Analysis
by VulDB Data Team • 01/28/2026
The vulnerability identified as CVE-2025-7740 represents a critical default credentials flaw within the SuprOS product line, creating a persistent security weakness that directly impacts system integrity and access control mechanisms. This vulnerability specifically affects the product's deployment phase where administrative accounts are automatically created with predetermined credentials, providing an attack surface that can be exploited by malicious actors with local access privileges. The flaw resides in the product's initialization process where default administrative credentials are not properly secured or changed during the deployment lifecycle, creating a fundamental security gap that undermines the principle of least privilege and secure by default configurations.
The technical implementation of this vulnerability stems from inadequate credential management during the SuprOS product installation and configuration phases. When the system is deployed, the software automatically generates administrative accounts with well-known default usernames and passwords that remain unchanged unless explicitly modified by the system administrator. This design flaw allows any local attacker with basic access to the system to authenticate using these predictable credentials and gain administrative privileges without requiring additional exploitation techniques. The vulnerability directly maps to CWE-798, which specifically addresses the use of hard-coded credentials, and CWE-259, which covers weak password management practices. The attack vector is classified as local authentication, meaning that the exploitation requires physical or network access to the target system, but does not require complex attack chains or privilege escalation techniques.
The operational impact of CVE-2025-7740 extends beyond simple unauthorized access, as it provides attackers with complete administrative control over the affected SuprOS systems. This level of access enables threat actors to modify system configurations, install malicious software, access sensitive data, and potentially establish persistent backdoors within the network infrastructure. The vulnerability creates a significant risk for organizations deploying SuprOS products, particularly in environments where physical security controls are inadequate or where unauthorized personnel might gain access to system consoles or network segments. From an operational security perspective, this vulnerability undermines the security posture of organizations relying on SuprOS for their operational technology infrastructure, potentially leading to cascading security failures and unauthorized access to critical systems that may control industrial processes or network operations.
Organizations should immediately implement comprehensive mitigation strategies to address this vulnerability, including mandatory credential rotation during deployment, implementation of automated security scanning tools to detect default credentials, and enforcement of strict access control policies. The remediation approach should involve immediate credential changes for all default administrative accounts, implementation of multi-factor authentication where possible, and establishment of security awareness training for system administrators. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1078 for valid accounts and T1566 for credential harvesting, highlighting the need for defensive measures that monitor for unauthorized authentication attempts and implement proper access logging. Security teams should also consider implementing network segmentation to limit local access privileges and establish monitoring procedures that detect anomalous authentication patterns that may indicate exploitation attempts.