Buffer overflow in QNAP Qts
CVE-2024-38638
An out-of-bounds write vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to modify or corrupt memory. QTS 5.2.x/QuTS hero h5.2.x are not affected. We have already fixed the vulnerability in the following versions: QTS 5.1.9.2954 build 20241120 and later QuTS hero h5.1.9.2954 build 20241120 and later
Vulnerability class: Buffer Overflow
EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qnap Qts — versions 5.1.0.2348, 5.1.0.2399, 5.1.0.2418
- Qnap Quts_hero — versions h5.1.0.2409, h5.1.0.2424, h5.1.0.2453
- Qnap Systems Inc. Qts — versions 5.1.x, 5.2.x
- Qnap Systems Inc. Quts Hero — versions h5.1.x, h5.2.x
Weakness classification (CWE)
References
- security@qnapsecurity.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-38638?
- CVE-2024-38638 is a high-severity vulnerability in QNAP Qts, classified under Out-of-bounds Write. CVSS score: 7.2/10. Published 2025-03-07.
- How severe is CVE-2024-38638?
- High severity. CVSS v3 base score is 7.2 out of 10.