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CVE-2025-34191— Vasion Print (formerly PrinterLogic) Arbitrary File Write as Root via Response Path Symlink Follow

Quick assessment

Affected
Vasion Print Virtual Appliance Host
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vasion Print和Vasion Print Virtual Appliance Host都是Vasion公司的产品。Vasion Print是一款基于 SaaS 的云托管应用程序，用于管理和部署打印机。Vasion Print Virtual Appliance Host是一个打印管理软件。 Vasion Print Virtual Appliance Host 22.0.843之前版本和Vasion Print Application 20.0.1923之前版本存在安全漏洞，该漏洞源于响应文件处

AI Predicted 7.8 Difficulty: Easy EPSS 0.30% · P21

Affected Version Matrix 2

VendorProduct Version RangeStatus
Vasion Print Application < 20.0.1923 affected
Vasion Print Virtual Appliance Host < 22.0.843 affected
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I. Basic Information for CVE-2025-34191

Vulnerability Information
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Vulnerability Title
Vasion Print (formerly PrinterLogic) Arbitrary File Write as Root via Response Path Symlink Follow
Source: CVE Program / CVE List V5
Vulnerability Description
Vasion Print (formerly PrinterLogic) Virtual Appliance Host versions prior to 22.0.843 and Application prior to 20.0.1923 (macOS/Linux client deployments) contain an arbitrary file write vulnerability via the response file handling. When tasks produce output the service writes response data into files under /opt/PrinterInstallerClient/tmp/responses/ reusing the requested filename. The service follows symbolic links in the responses directory and writes as the service user (typically root), allowing a local, unprivileged user to cause the service to overwrite or create arbitrary files on the filesystem as root. This can be used to modify configuration files, replace or inject binaries or drivers, and otherwise achieve local privilege escalation and full system compromise. This vulnerability has been identified by the vendor as: V-2023-019 — Arbitrary File Write as Root.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Vasion Print和Vasion Print Virtual Appliance Host 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vasion Print和Vasion Print Virtual Appliance Host都是Vasion公司的产品。Vasion Print是一款基于 SaaS 的云托管应用程序，用于管理和部署打印机。Vasion Print Virtual Appliance Host是一个打印管理软件。 Vasion Print Virtual Appliance Host 22.0.843之前版本和Vasion Print Application 20.0.1923之前版本存在安全漏洞，该漏洞源于响应文件处
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Vasion Print Virtual Appliance Host 0 ~ 22.0.843 -
Vasion Print Application 0 ~ 20.0.1923 -

II. Public POCs for CVE-2025-34191

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III. Intelligence Information for CVE-2025-34191

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Vendor Advisories for CVE-2025-34191 (1)

Security Blog Posts for CVE-2025-34191 (1)

Same Patch Batch · Vasion · 2025-09-19 · 18 CVEs total

CVE-2025-34195 Vasion Print (formerly PrinterLogic) Unquoted Path During Driver Installation Leads to Exe
CVE-2025-34190 Vasion Print (formerly PrinterLogic) PrinterInstallerClientService Authentication Bypass v
CVE-2025-34188 Vasion Print (formerly PrinterLogic) Local Log Disclosure of Cleartext Sessions
CVE-2025-34205 Vasion Print (formerly PrinterLogic) Dangerous PHP Dead Code Enables RCE
CVE-2025-34199 Vasion Print (formerly PrinterLogic) Insecure SSL Verification Allows Man-in-the-Middle At
CVE-2025-34193 Vasion Print (formerly PrinterLogic) Insecure Windows Components Lack Modern Memory Protec
CVE-2025-34201 Vasion Print (formerly PrinterLogic) Lack of Network Segmentation Between Docker Instances
CVE-2025-34203 Vasion Print (formerly PrinterLogic) Use of Outdated, End-Of-Life, and Vulnerable Third-Pa
CVE-2025-34198 Vasion Print (formerly PrinterLogic) Shared / Hardcoded SSH Host Private Keys in Appliance
CVE-2025-34200 Vasion Print (formerly PrinterLogic) Network Account Password Stored in Cleartext
CVE-2025-34197 Vasion Print (formerly PrinterLogic) Undocumented Local Account with Hardcoded Password an
CVE-2025-34194 Vasion Print (formerly PrinterLogic) Local Privilege Escalation via Insecure Temporary Fil
CVE-2025-34204 Vasion Print (formerly PrinterLogic) Processes Running as Root Inside Docker Instances
CVE-2025-34206 Vasion Print (formerly PrinterLogic) Insecure Shared Storage Permissions
CVE-2025-34192 Vasion Print (formerly PrinterLogic) Usage of Outdated and Unsupported OpenSSL Version
CVE-2025-34189 Vasion Print (formerly PrinterLogic) Insecure Inter-Process Communication Allows Local Ses
CVE-2025-34202 Vasion Print (formerly PrinterLogic) Insecure Access to Docker Instances WAN

IV. Related Vulnerabilities

Same product: Print Virtual Appliance Host
Same vendor: Vasion
Same weakness: CWE-59

V. Comments for CVE-2025-34191

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