CVE-2025-53413: qnap systems inc. file station 5
Vulnerability summary
CVE-2025-53413 is a medium (CVSS 6.5) vulnerability in qnap systems inc. file station 5. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.3% of scored vulnerabilities.
Timeline
- 07-11-2025PublishedVulnerability first disclosed.
- 07-11-2025Last modifiedVulnerability information updated.
Description
An allocation of resources without limits or throttling vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5018 and later
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST4.9MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
+0.03 pp
From 0.46% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Qnap1 product
- file_station≥ 5.5.6.4691, < 5.5.6.5018
Qnap systems inc.1 product
- file station 5≥ 5.5.x, < 5.5.6.5018
2 vendors · 2 products
References
1 links- www.qnap.com/en/security-advisory/qsa-25-38Vendor Advisory