CVE-2025-52855
BaseFortify
Publication date: 2025-10-03
Last updated on: 2025-10-08
Assigner: QNAP Systems, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| qnap | qts | 5.2.0.2737 |
| qnap | qts | 5.2.0.2744 |
| qnap | qts | 5.2.0.2782 |
| qnap | qts | 5.2.0.2802 |
| qnap | qts | 5.2.0.2823 |
| qnap | qts | 5.2.0.2851 |
| qnap | qts | 5.2.0.2860 |
| qnap | qts | 5.2.1.2930 |
| qnap | qts | 5.2.2.2950 |
| qnap | qts | 5.2.3.3006 |
| qnap | qts | 5.2.4.3070 |
| qnap | qts | 5.2.4.3079 |
| qnap | qts | 5.2.4.3092 |
| qnap | qts | 5.2.5.3145 |
| qnap | quts_hero | h5.2.0.2737 |
| qnap | quts_hero | h5.2.0.2782 |
| qnap | quts_hero | h5.2.0.2789 |
| qnap | quts_hero | h5.2.0.2802 |
| qnap | quts_hero | h5.2.0.2823 |
| qnap | quts_hero | h5.2.0.2851 |
| qnap | quts_hero | h5.2.0.2860 |
| qnap | quts_hero | h5.2.1.2929 |
| qnap | quts_hero | h5.2.1.2940 |
| qnap | quts_hero | h5.2.2.2952 |
| qnap | quts_hero | h5.2.3.3006 |
| qnap | quts_hero | h5.2.4.3070 |
| qnap | quts_hero | h5.2.4.3079 |
| qnap | quts_hero | h5.2.5.3138 |
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 in several QNAP operating system versions. It can be exploited by a remote attacker who has already gained an administrator account to cause a denial-of-service (DoS) attack, making the system unavailable.
How can this vulnerability impact me? :
If exploited, this vulnerability can cause a denial-of-service (DoS) attack, which disrupts the availability of the affected QNAP system, potentially causing downtime and loss of access to services or data.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, immediately update your QNAP operating system to version QTS 5.2.6.3195 build 20250715 or later, or QuTS hero h5.2.6.3195 build 20250715 or later, where the vulnerability has been fixed. Additionally, restrict administrator account access to trusted users only to prevent remote attackers from gaining such access.