CVE-2025-29895: QNAP Qsync Central: Qsync: NULL pointer dereference vulnerability
This QNAP advisory covers CVE-2025-29895 in Qsync Central.
- CVE-2025-29895
Key facts
- Vendor rating
- Low, CVSS 2.3
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Qsync Central 5.0.x before 5.0.0.4
- Fixed in
- Qsync Central 5.0.0.4
- Source published
- Source revised
- Listed by VulniPulse
- Record changed
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
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 5.0.0.4 and later
Text from the source record.
- Qsync Central 5.0.x before 5.0.0.4
NVD record · high-confidence parse· fetched ·verify at source
How to fix CVE-2025-29895
Upgrade to a fixed release named by QNAP:
- Qsync Central 5.0.0.4
More QNAP advisories
CVE-2026-41541Oct 15, 2026Qsync Central: Qsync: unix symbolic link (symlink) following vulnerabilityCVE-2026-26243Oct 15, 2026Qsync Central: Qsync: path traversal vulnerabilityCVE-2026-24718Oct 15, 2026Qsync Central: Qsync: path traversal vulnerabilityCVE-2025-29897Oct 15, 2026Qsync Central: Qsync: buffer copy without checking size of input vulnerabilityCVE-2025-29896Oct 15, 2026Qsync Central: Qsync: NULL pointer dereference vulnerabilityCVE-2025-62841Oct 29, 2026HBS 3 Hybrid Backup Sync and Hybrid Backup Sync: Hybrid Backup Sync: use of hard-coded
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