Vulnerability Details CVE-2025-30276
An out-of-bounds write vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to modify or corrupt memory.
We have already fixed the vulnerability in the following version:
Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
Exploit prediction scoring system (EPSS) score
CVSS Severity
CVSS v3 Score 8.8
Products affected by CVE-2025-30276
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cpe:2.3:a:qnap:qsync_central:5.0.0.0
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cpe:2.3:a:qnap:qsync_central:5.0.0.1
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cpe:2.3:a:qnap:qsync_central:5.0.0.2
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cpe:2.3:a:qnap:qsync_central:5.0.0.3