CVE-2025-26125 in Malware Fighter
Summary
by MITRE • 03/17/2025
An exposed ioctl in the IMFForceDelete driver of IObit Malware Fighter v12.1.0 allows attackers to arbitrarily delete files and escalate privileges.
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Analysis
by VulDB Data Team • 06/14/2026
The vulnerability identified as CVE-2025-26125 represents a critical security flaw within the IObit Malware Fighter v12.1.0 software suite, specifically within its IMFForceDelete driver component. This issue manifests as an improperly secured ioctl (input/output control) interface that exposes functionality intended for internal system operations to unauthorized external processes. The flaw enables attackers to invoke destructive operations through a publicly accessible driver interface, fundamentally undermining the security model of the malware protection software.
The technical implementation of this vulnerability stems from inadequate access control mechanisms within the IMFForceDelete driver. An ioctl interface typically serves as a communication channel between user-space applications and kernel-mode drivers, but in this case, the driver fails to properly validate incoming requests or enforce appropriate privilege checks. The exposed ioctl command allows arbitrary file deletion operations to be executed without proper authentication or authorization, effectively granting attackers the ability to manipulate the file system at a privileged level. This represents a classic example of insufficient privilege enforcement, which maps directly to CWE-276, specifically related to improper privileges.
The operational impact of this vulnerability extends far beyond simple file deletion capabilities. Attackers who can exploit this flaw can achieve privilege escalation to system-level access, effectively bypassing the security boundaries that separate user applications from critical system resources. This escalation capability transforms a local file deletion vulnerability into a potential system compromise vector, allowing adversaries to remove critical system files, modify protected registry entries, or disable security features. The attack surface is particularly concerning because IObit Malware Fighter is designed to provide system protection, making this vulnerability a prime target for attackers seeking to disable security measures while maintaining persistence.
The exploitation of this vulnerability aligns with several tactics described in the MITRE ATT&CK framework, particularly those related to privilege escalation and persistence mechanisms. The ability to delete files arbitrarily provides attackers with additional capabilities for maintaining access and covering their tracks, while the privilege escalation component enables further exploitation of the compromised system. Security researchers have noted that this type of driver-level vulnerability is particularly dangerous because it operates at the kernel level, making detection and prevention significantly more challenging. The vulnerability demonstrates how legitimate security software can inadvertently create attack vectors when proper input validation and access control measures are not implemented.
Organizations and users should immediately implement mitigations including updating to the latest version of IObit Malware Fighter where this vulnerability has been addressed. System administrators should consider disabling or removing the vulnerable driver components until proper patches are deployed. Network monitoring should be enhanced to detect unusual file deletion patterns that might indicate exploitation attempts. Additionally, the principle of least privilege should be enforced by limiting the execution permissions of the vulnerable driver and implementing proper access controls for kernel-mode interfaces. Security teams should also conduct thorough system audits to identify any potential damage from exploitation attempts and establish monitoring procedures specifically designed to detect unauthorized driver access patterns.