CVE-2026-75925 IXON CVE debrief

Who should care

System administrators and security teams responsible for IXON VPN Client installations should assess exposure and prioritize remediation due to the critical severity of the vulnerability and potential for command execution as root or SYSTEM. They should review system logs for suspicious activity and ensure configuration values are properly neutralized.

Why it matters

CVE-2026-75925 allows an attacker to execute commands as root or SYSTEM due to improper neutralization of CRLF sequences in IXON VPN Client before version 1.4.7. System administrators and security teams should assess exposure and prioritize remediation.

• Potential command execution as root or SYSTEM
• Configuration file manipulation
• Persistence of injected configuration across restarts

Technical summary

The IXON VPN Client before version 1.4.7 is vulnerable to improper neutralization of CRLF sequences, allowing an attacker to execute commands as root or SYSTEM. This occurs because 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.

Defensive priority

High

Recommended defensive actions

• Update IXON VPN Client to version 1.4.7 or later
• Verify configuration values accepted by the local service are properly neutralized
• Monitor system logs for suspicious activity
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its description, CVSS score, and references. The vulnerability affects IXON VPN Client before version 1.4.7, allowing an attacker to execute commands as root or SYSTEM due to improper neutralization of CRLF sequences. Evidence is limited to CVE and NVD details; further verification is recommended.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.