Stack-based buffer overflow in QNAP Systems, Inc. products - CVE-2025-68405
Published: June 19, 2026
Vulnerability identifier: #VU134938
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-68405
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: QNAP Systems, Inc.
Affected software:
QuTScloud
QuTS hero
QVP (QVR Pro appliances)
QNAP QTS
QuTScloud
QuTS hero
QVP (QVR Pro appliances)
QNAP QTS
Detailed vulnerability description
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error. A remote administrator can trigger stack-based buffer overflow and cause a denial of service condition on the target system.
How to mitigate CVE-2025-68405
Install updates from vendor's website.