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It affects QNAP Systems Inc. QuTS hero and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following version: QuTS hero h5.3.2.3354 build 20251225 and later
- CVSS
- 1.2 LOW (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- qnap
- NVD analysis
- Analyzed
- Record last updated
- Feb 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
QNAP Systems Inc. QuTS hero qnap_systems:quts_hero (from the name) | from h5.3.x before h5.3.2.3354 build 20251225 | CNA record |
qnap quts_hero qnap:quts_hero | h5.3.0.3115; h5.3.0.3145; h5.3.0.3192; h5.3.1.3250; h5.3.1.3292 | NVD |
References
- https://www.qnap.com/en/security-advisory/qsa-26-08vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.