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9.4

IXON VPN Client lets attacker run commands as root

CVE-2026-75925 · published 1 month ago
Summary

The IXON VPN Client versions earlier than 1.4.7 can be tricked into writing malicious settings to a file that a privileged part of the program later reads. An attacker who can send configuration changes—without needing a password—can add extra commands that run with full system rights, and the changes remain even after the program or computer restarts. Update the client to version 1.4.7 or later, and restrict who can send configuration changes to the VPN client.

What to do
  • Update ixon ixon vpn client to version 1.4.7 or later.
Affected software
VendorProductAffected versions
ixon ixon vpn client < 1.4.7
Original advisory text
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 wr...
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.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
9.4 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')
Timeline
Published4 Sep 2026
Updated22 Oct 2026
First seen4 Sep 2026
Sources
CVE-2026-75925 · NVD
CVE-2026-75925 · MITRE
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