CVE-2025-46676 is a security vulnerability identified in Dell PowerProtect Data Domain appliances running Data Domain Operating System (DD OS) versions from 7.7.1.0 through 8.4.0.0, including several long-term support releases (LTS2023, LTS2024, LTS2025). The vulnerability is classified under CWE-200, indicating exposure of sensitive information to unauthorized actors. Specifically, a high privileged attacker with remote access to the system could exploit this flaw to disclose sensitive information. The vulnerability does not require user interaction and does not impact system integrity or availability, only confidentiality. The CVSS v3.1 base score is 2.7, reflecting low severity due to the requirement of high privilege and remote access, and limited impact scope. No public exploits or patches are currently documented, but the vulnerability is officially published and recognized by Dell. The affected systems are typically used for enterprise backup and data protection, making the confidentiality of stored data critical. The exposure could lead to leakage of sensitive backup data or system information that could aid further attacks or violate compliance requirements.

For European organizations, the primary impact of CVE-2025-46676 is the potential unauthorized disclosure of sensitive information stored or processed by Dell PowerProtect Data Domain systems. These systems are widely used in enterprise environments for backup and disaster recovery, often containing critical business and personal data. Exposure of such information could lead to data privacy violations, regulatory non-compliance (e.g., GDPR), and reputational damage. Although the vulnerability requires high privileged remote access, if an attacker compromises administrative credentials or exploits other vulnerabilities to gain such access, they could leverage this flaw to extract sensitive data. This risk is particularly relevant for sectors with stringent data protection requirements, including finance, healthcare, and government agencies. The limited severity score suggests the threat is not critical but still warrants attention due to the sensitive nature of the data involved and the potential cascading effects of information disclosure.

1. Restrict remote access to Dell PowerProtect Data Domain systems strictly to trusted administrators and secure management networks using network segmentation and firewalls. 2. Implement strong multi-factor authentication (MFA) for all privileged accounts to reduce the risk of credential compromise. 3. Monitor and audit privileged user activities and remote access logs to detect unusual or unauthorized behavior promptly. 4. Stay informed of Dell’s security advisories and apply patches or updates as soon as they become available to address this vulnerability. 5. Employ encryption for data at rest and in transit within backup environments to minimize the impact of any potential information disclosure. 6. Conduct regular security assessments and penetration testing focusing on backup infrastructure to identify and remediate privilege escalation or remote access weaknesses. 7. Limit the number of high privileged accounts and enforce the principle of least privilege to reduce the attack surface.