QNAP Video Station: Path traversal allows reading arbitrary files
Summary
A path traversal vulnerability in QNAP Video Station allows an attacker with a valid user account to read files or system data outside the intended directories. The attack requires low privileges and no user interaction, and the CVSS v4.0 base score is 7.7 (High). The impact is information disclosure; stolen configuration or credential files could enable follow-on attacks.
Affected
- QNAP Video Station 5.8.x before 5.8.5 (per the CVE record; VulDB lists up to 5.8.4)
- Earlier branches (5.7.x and below): Unknown.
Fixed in
- Video Station 5.8.5 and later. Later releases also fix other Video Station flaws, so install the latest release.
Workaround
- No vendor workaround known.
- Limit the number of users with NAS accounts and remove unused accounts.
- Disable or uninstall Video Station if it is not needed.
Exploitation
- CISA SSVC: exploitation none, automatable no.
- Not listed in the CISA KEV catalogue.
- No public proof of concept or in-the-wild exploitation known.
- EPSS: 0.37%.
Our recommendation
- Check the installed Video Station version in the App Center.
- Update to the latest Video Station release, not only 5.8.5.
- Review NAS user accounts and remove unused ones.
- Confirm the NAS is not directly reachable from the internet.
- Verify the affected and fixed versions on QNAP's security advisory page before acting.
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- QNAP Video Station release notes www.qnap.com
- VulDB CVE-2025-66275 entry vuldb.com
- OpenCVE CVE-2025-66275 app.opencve.io
- Strix CVE-2025-66275 www.strix.ai
- QNAP security advisory QSA-25-32 www.qnap.com
- VulDB CVE-2026-34015 (path traversal, fixed in 5.8.8) vuldb.com
- VulDB CVE-2026-44084 (authorization, fixed in 5.8.8) vuldb.com
- VulDB CVE-2026-26244 (SQL injection, fixed in 5.8.8) vuldb.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 2 Nov 2026, 08:26.
Original description (NVD)
A path traversal vulnerability has been reported to affect Video Station. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: Video Station 5.8.5 and later
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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