CVE-2025-46636 in Encryption
Summary
by MITRE • 12/09/2025
Dell Encryption, versions prior to 11.12.1, contain an Improper Link Resolution Before File Access ('Link Following') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information tampering.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 12/09/2025
The vulnerability identified as CVE-2025-46636 affects Dell Encryption software versions prior to 11.12.1 and represents a critical weakness in the software's file access mechanisms. This flaw falls under the category of improper link resolution before file access, a vulnerability type that has been consistently documented in the CWE database as CWE-391. The issue arises when the encryption software fails to properly validate symbolic links or hard links before accessing files, creating a potential attack vector for malicious actors who can manipulate file references within the system.
The technical implementation of this vulnerability stems from inadequate path resolution validation within Dell Encryption's file handling processes. When the software processes encrypted files or manages encryption keys, it may follow symbolic links without sufficient verification of the target file's legitimacy or security posture. This behavior creates a scenario where an attacker with local access privileges can craft malicious link structures that redirect the encryption software to access unintended files or directories. The vulnerability specifically impacts the integrity of encrypted data and the overall security of the encryption framework, allowing for information tampering rather than direct privilege escalation or data exfiltration.
From an operational perspective, this vulnerability poses significant risks to organizations relying on Dell Encryption for data protection. A low privileged attacker with local system access can exploit this weakness to modify encrypted files, potentially compromising the confidentiality and integrity of sensitive data. The impact extends beyond simple file modification as it undermines the fundamental security guarantees that encryption software is designed to provide. The vulnerability's exploitation requires only local access, making it particularly dangerous in environments where insider threats or compromised user accounts are possible. Organizations may experience data corruption, unauthorized modifications to encrypted content, and potential breaches of data integrity that could go undetected for extended periods.
The attack surface for this vulnerability aligns with several ATT&CK tactics including T1059.001 Command and Scripting Interpreter and T1566.001 Phishing, as attackers may leverage local access through social engineering or compromised accounts to gain the necessary privileges for exploitation. The vulnerability also relates to T1070.006 Indicator Removal on Host, as malicious actors could potentially use this weakness to modify encryption metadata or key files without detection. Organizations should consider implementing additional monitoring controls to detect unauthorized file access patterns or link manipulation activities within their encrypted environments.
Mitigation strategies for CVE-2025-46636 primarily focus on immediate software updates to Dell Encryption version 11.12.1 or later, which contain the necessary patches to address the improper link resolution issue. System administrators should also implement comprehensive file integrity monitoring solutions that can detect unauthorized symbolic link creation or modification activities. Additional protective measures include restricting local access privileges, implementing strict file access controls, and conducting regular security audits of encryption-related configurations. Organizations should also consider deploying endpoint detection and response solutions that can identify suspicious link following behaviors and alert security teams to potential exploitation attempts. The vulnerability's classification as CWE-391 underscores the importance of proper input validation and path resolution mechanisms in security-critical applications, emphasizing that file access controls must properly validate all file references before processing.