CVE-2025-47210: qnap systems inc. qsync central NULL Pointer Dereference
Vulnerability summary
CVE-2025-47210 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in qnap systems inc. qsync central. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 41.1% of scored vulnerabilities.
Timeline
- 03-10-2025PublishedVulnerability first disclosed.
- 03-10-2025Last modifiedVulnerability information updated.
Description
A NULL pointer dereference vulnerability has been reported to affect Qsync Central. 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: Qsync Central 5.0.0.2 ( 2025/07/31 ) 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
0.49%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
0.00 pp
From 0.49% 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
- qsync_central≥ 5.0.0.0, < 5.0.0.2
Qnap systems inc.1 product
- qsync central≥ 5.0.0, < 5.0.0.2 ( 2025/07/31 )
2 vendors · 2 products
References
1 links- www.qnap.com/en/security-advisory/qsa-25-35Vendor Advisory