What’s Vulnerable › Vulnerabilities
CVE-2025-30269: Qsync Central
- Severity: high (CVSS 8.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-11 · updated 2026-06-17
- Weakness: CWE-134
Description
A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data or modify memory. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later
Affected products
- QNAP Systems Inc. Qsync Central: from 5.0.0.0 before 5.0.0.4 — fixed in 5.0.0.4
How to fix
Upgrade to a fixed version: QNAP Systems Inc. Qsync Central 5.0.0.4. Check the vendor advisory for mitigations.
References
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