Security readout for executives and security teams
Plain-English summary
IXON VPN Client versions before 1.4.7 can accept malicious configuration changes that ultimately run commands with root or SYSTEM privileges. The change survives client and operating-system restarts while the VPN continues working normally, making compromise difficult for users to notice.
Executive priority
Treat as an urgent remediation item because successful exploitation grants operating-system-level control and can remain hidden across restarts. Rapidly identify installations, update affected clients, and investigate unexpected persistent configuration changes, prioritizing broadly reachable systems.
Technical view
The local service accepts configuration changes without authenticating or validating their origin. Because CRLF sequences are not neutralized, an attacker can add directives to a file later processed by a privileged subprocess. Successful exploitation can compromise confidentiality, integrity, and availability with elevated privileges.
Likely exposure
Systems running IXON VPN Client earlier than 1.4.7 are affected. Exposure depends on whether an attacker can reach the configuration interface and satisfy the user-interaction condition reflected in the CVSS vector. The supplied sources do not define the required interaction or network topology.
Exploitation context
CVSS 3.1 rates this 9.6: network-accessible, low complexity, no privileges, user interaction required, and changed scope. The supplied bundle marks it absent from KEV and provides no evidence of active exploitation. That absence does not establish that exploitation has never occurred.
Researcher notes
This is CWE-93 CRLF injection across a privilege boundary. The vulnerable data flow runs from an unauthenticated configuration interface to a persistent file consumed by a privileged subprocess. The bundle does not provide file paths, protocol details, indicators of compromise, or sufficient evidence to characterize the required user interaction.
Mitigation direction
- Update IXON VPN Client to version 1.4.7 or later.
- Confirm the selected release and deployment instructions against current IXON guidance.
- Restrict untrusted access to the client's configuration interface until updates are complete.
- Prioritize systems where the interface is reachable from less-trusted networks.
Validation and detection
- Inventory IXON VPN Client installations and record their exact versions.
- Confirm every affected installation is running version 1.4.7 or later.
- Inspect persisted client configuration for unexpected or unauthorized directives.
- Review available service and system records for unexplained configuration changes or privileged subprocess activity.
- Verify access controls prevent untrusted parties from reaching the configuration interface.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-93: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-75925 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H2.86icscertCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H——icscertVulnerability scoring details
Base CVSS 4.0 score
9.4CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ixon.cloud/Advisories/ADV-2026-08-05.pdfCVE reference, icscert
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-02CVE reference, icscert
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-246-02.jsonCVE reference, icscert
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of CRLF Sequences ('CRLF Injection')
Improper Neutralization of CRLF Sequences ('CRLF Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.