CVE-2025-30273

QTS, QuTS hero

Description

An out-of-bounds write 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 or corrupt memory. 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

Remediation

Solution:

  • 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

Category

7.1
CVSS
Severity: High
CVSS 4.0 •
Affected: QNAP Systems Inc. QTS
Affected: QNAP Systems Inc. QuTS hero
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2025-30273?
CVE-2025-30273 has been scored as a high severity vulnerability.
How to fix CVE-2025-30273?
To fix CVE-2025-30273: 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
Is CVE-2025-30273 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-30273 is being actively exploited.
What software or system is affected by CVE-2025-30273?
CVE-2025-30273 affects QNAP Systems Inc. QTS, QNAP Systems Inc. QuTS hero.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.