CVE-2025-29888: qnap systems inc. file station 5 NULL Pointer Dereference
Vulnerability summary
CVE-2025-29888 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in qnap systems inc. file station 5. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.7% of scored vulnerabilities.
Timeline
- 29-08-2025PublishedVulnerability first disclosed.
- 29-08-2025Last modifiedVulnerability information updated.
Description
A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.4907 and later
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST5.3MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
0.00 pp
From 0.46% on 21-09-2026
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, < 5.5.6.4907
Qnap systems inc.1 product
- file station 5≥ 5.5.x, < 5.5.6.4907
2 vendors · 2 products
References
1 links- www.qnap.com/en/security-advisory/qsa-25-19Vendor Advisory