Vulnerability · Published Feb 11, 2026 · Assigned by qnap
CVE-2025-66278File Station 5
Low 1.3
In plain English
A low-severity path traversal in File Station 5 from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 4.0)1.3Low
Exploit odds (30 days)0.5%top 58.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A path traversal vulnerability has been reported to affect File Station 5. 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: File Station 5 5.5.6.5190 and later
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | File Station 5 | 5.5.x – before 5.5.6.5190 |
Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U