CVE Catalog

CVE-2026-75925

CriticalCVSS 9.6
Published: Translated: NVD NIST

Summary

Improper neutralization of CRLF sequences in IXON VPN Client before version 1.4.7 allows an attacker to execute commands as root or SYSTEM. Configuration values accepted by the local service are written to a file later consumed by a privileged subprocess, without line-ending sequences being neutralized, which allows additional directives to be introduced into that file. The configuration interface accepts changes without authenticating or verifying the origin of the requester. The injected configuration persists on disk across restarts of the client and the operating system, and the VPN connection continues to function normally, so there is no behavioral change visible to the user.

Risk Assessment

An attacker can gain administrator privileges on the machine with the VPN client installed, leading to full system compromise, and due to persistence, the threat remains even after reboot.

Recommendation

Immediately update the IXON VPN Client to version 1.4.7 or later and restrict access to the configuration interface to trusted users only.

Related vulnerabilities

Original NVD description (English source)

Improper neutralization of CRLF sequences in IXON VPN Client before version 1.4.7 allows an attacker to execute commands as root or SYSTEM. Configuration values accepted by the local service are written to a file later consumed by a privileged subprocess, without line-ending sequences being neutralized, which allows additional directives to be introduced into that file. The configuration interface accepts changes without authenticating or verifying the origin of the requester. The injected configuration persists on disk across restarts of the client and the operating system, and the VPN connection continues to function normally, so there is no behavioral change visible to the user.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS