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MEDIUM · 6.5

CVE-2025-30265

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory ...

Vulnerability Description

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versions: QTS 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and later

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
QnapQts5.2.0.2737
QnapQuts Heroh5.2.0.2737

Related Weaknesses (CWE)

CWE-120CWE-121

References

FAQ

What is CVE-2025-30265?

CVE-2025-30265 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory ...

How severe is CVE-2025-30265?

CVE-2025-30265 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-30265?

Check the references section above for vendor advisories and patch information. Affected products include: Qnap Qts, Qnap Quts Hero.