QNAP License Center up to 2.0.35 out-of-bounds

Summaryinfo

A vulnerability classified as problematic has been found in QNAP License Center up to 2.0.35. The impacted element is an unknown function. The manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2025-52871. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in QNAP License Center up to 2.0.35. This issue affects some unknown processing. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An out-of-bounds read vulnerability has been reported to affect License Center. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data. We have already fixed the vulnerability in the following version: License Center 2.0.36 and later

The weakness was released by coral as qsa-25-52. The advisory is shared at qnap.com. The identification of this vulnerability is CVE-2025-52871 since 06/20/2025. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.0.36 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-0671). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• QNAP

Name

• License Center

Version

• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.0.10
• 2.0.11
• 2.0.12
• 2.0.13
• 2.0.14
• 2.0.15
• 2.0.16
• 2.0.17
• 2.0.18
• 2.0.19
• 2.0.20
• 2.0.21
• 2.0.22
• 2.0.23
• 2.0.24
• 2.0.25
• 2.0.26
• 2.0.27
• 2.0.28
• 2.0.29
• 2.0.30
• 2.0.31
• 2.0.32
• 2.0.33
• 2.0.34
• 2.0.35

License

• commercial

Website

• Vendor: https://www.qnap.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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