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 ( 2026/01/20 ) and later
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-26-02 |
|
History
Wed, 11 Feb 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Qnap
Qnap qsync Central |
|
| CPEs | cpe:2.3:a:qnap:qsync_central:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Qnap
Qnap qsync Central |
|
| Metrics |
cvssV3_1
|
Wed, 11 Feb 2026 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Wed, 11 Feb 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 ( 2026/01/20 ) and later | |
| Title | Qsync Central | |
| Weaknesses | CWE-476 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: qnap
Published: 2026-02-11T12:20:03.281Z
Updated: 2026-02-11T14:27:44.205Z
Reserved: 2025-03-20T02:53:25.308Z
Link: CVE-2025-30266
Updated: 2026-02-11T14:27:40.308Z
Status : Analyzed
Published: 2026-02-11T13:15:51.813
Modified: 2026-02-11T21:00:06.077
Link: CVE-2025-30266
No data.