CVE-2025-58472
NULL Pointer Dereference in Qsync Central Enables DoS Attack
Publication date: 2026-02-11
Last updated on: 2026-02-12
Assigner: QNAP Systems, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| qnap | qsync_central | From 5.0.0.0 (inc) to 5.0.0.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a NULL pointer dereference issue affecting Qsync Central. It occurs when a remote attacker who has obtained an administrator account exploits this flaw to cause the system to crash or become unavailable.
Essentially, the attacker triggers a condition where the software tries to access a memory location that is NULL, leading to a denial-of-service (DoS) attack.
How can this vulnerability impact me? :
If exploited, this vulnerability allows an attacker with administrator privileges to launch a denial-of-service (DoS) attack against Qsync Central, causing the service to crash or become unavailable.
This can disrupt normal operations, potentially leading to downtime and loss of access to synchronization services.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, you should upgrade Qsync Central to version 5.0.0.4 or later, as the vulnerability has been fixed starting from this version.