QNAP Photo Station and QTS Path Traversal Remote Code Execution Vulnerability (CVE-2019-7195)
Executive & SecOps Summary
SECOPS ASSESSMENTQNAP Photo Station versions and associated QTS operating system environments
Unauthenticated remote attackers can access or modify critical system files, potentially leading to full Remote Code Execution (RCE)
Immediately update QNAP Photo Station to the latest secure version and restrict external access
Affected Products & Version Scope
Remediation & Live Workaround Commands
PATCH & WORKAROUND1. Official Patch & Version Upgrade Commands
Update Photo Station to the latest version via the QNAP App Center. For command-line administration, you can trigger package updates using the QTS CLI:
# Force update and install active packages via QTS CLI
/sbin/qpkg_cli --install_active2. Temporary Workaround & Hardening Configuration
If immediate patching is not feasible, restrict external access to the NAS administration and Photo Station ports. Implement access control lists (ACLs) or use a reverse proxy to block external requests to the Photo Station directory:
# Block external access to Photo Station via Nginx reverse proxy
server {
listen 80;
server_name nas_local;
location /photo/ {
allow 10.0.0.0/8; # Allow internal management network only
deny all;
}
}3. Log Audit & IoC Verification Commands
Inspect web server access logs for directory traversal patterns and unauthorized PHP file executions:
# Search for directory traversal attempts and suspicious PHP executions in web logs
grep -Ei '(\.\./|\.\.%2f|/photo/.*\.php)' /var/log/apache2/access.log /share/Web/access.log 2>/dev/nullBlock Exploits Instantly with Managed Virtual Patching Rules
Can't patch production immediately? Deploy managed WAF rules at the edge to intercept RCE, SQLi, and deserialization payloads before they hit your origin server.
Technical Root Cause & Exploitation Mechanics
1. Vulnerability Overview & Root Cause
This vulnerability (CVE-2019-7195) is an external control of file name or path vulnerability (Path Traversal, CWE-22) residing in QNAP Photo Station. The root cause is the lack of proper input validation on user-supplied file paths, allowing attackers to inject directory traversal sequences (e.g., '../') to reference files outside the intended directory structure.
2. Exploitation Mechanics & Attack Scenario
An unauthenticated remote attacker can craft malicious HTTP requests containing path traversal sequences targeting vulnerable Photo Station endpoints. By exploiting this flaw, the attacker can read sensitive configuration files or session tokens. Furthermore, by leveraging file modification capabilities, the attacker can write malicious payloads (such as web shells) into the web root directory, ultimately achieving arbitrary remote code execution under the context of the web server process.
3. Infrastructure & Business Impact
With a CVSS score of 9.8 (Critical) and its inclusion in the CISA Known Exploited Vulnerabilities (KEV) catalog, this vulnerability poses an extreme risk. Successful exploitation allows complete compromise of the NAS device, leading to unauthorized data exfiltration, ransomware deployment, and lateral movement within the internal corporate network.
Official Vendor Advisories & References
This external control of file name or path vulnerability allows remote attackers to access or modify system files. To fix the vulnerability, QNAP recommend updating Photo Station to their latest versions.
Frequently Asked SecOps Questions (CVE-2019-7195)
FAQQ1. How critical is CVE-2019-7195 and is it actively exploited in the wild?
CVE-2019-7195 is rated CVSS 9.8 (CRITICAL) with a 30-day EPSS exploitation probability of 89.3%. It is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate emergency remediation.
Q2. Which vendors and products are affected by CVE-2019-7195?
Primary impacted vendors include qnap across photo station, qts. Scope summary: QNAP Photo Station versions prior to 6.0.3 and associated QTS environments
Q3. What temporary mitigations or workarounds exist for CVE-2019-7195 before patching?
[Mitigation] Immediately update QNAP Photo Station to the latest secure version and restrict external access Follow the CLI remediation commands and interactive SecOps checklist on this page to restrict exposure prior to your maintenance window.
Generate an Internal Engineering Notice or CISO Report for CVE-2019-7195
Instantly format this advisory into an executive CISO summary or engineering patch ticket.
🔗 Related Advisories in Similar Stack (qnap)
View Category →Adobe ColdFusion Path Traversal Remote Code Execution Vulnerability Urgent Advisory (CVE-2026-48282)
[Affected Scope] Adobe ColdFusion versions 2025.9, 2023.20 and earlier
WebDyne Perl Framework Path Traversal and Remote Code Execution (RCE) Vulnerability Advisory (CVE-2026-78189)
[Affected Scope] Perl web applications utilizing WebDyne versions 3.007 through 3.021
Ahsay AhsayCBS Replication Receiver Remote Code Execution (RCE) Vulnerability Advisory (CVE-2026-105134)
[Affected Scope] AhsayCBS versions up to 9.15.2.69 and 10.3.4.44, specifically the Replication Receiver component
Adobe Commerce (Magento) Server-Side Template Injection (SSTI) Remote Code Execution (CVE-2026-75650)
[Affected Scope] All unpatched versions of Adobe Commerce and Magento Open Source.
Subscribe to Daily Vulnerability Briefings & KEV Alerts
Concise morning briefings for SecOps, DevSecOps, and SRE teams covering newly exploited CVEs and mitigation priorities.