Signal is active with 2 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to launch a denial-of-service (DoS) attack. We have already fixed the vulnerability in the following versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
7/7 QNAP Advisory: https://www.qnap.com/en/security-advisory/qsa-26-10 CVE records: https://www.cve.org/CVERecord?id=CVE-2025-66279 https://www.cve.org/CVERecord?id=CVE-2025-66280 https://www.cve.org/CVERecord?id=CVE-2025-66281
Post summary
The tweet announces a QNAP advisory that references three CVEs but provides no additional technical or actionable detail.
6/7 CVE-2025-66281: NULL-ptr dereference (CVSS 6.9), pre-auth Technique: static analysis Endpoint calls strtol(getenv("CONTENT_LENGTH")) with no NULL check. Drop the Content-Length header → getenv returns NULL → strtol derefs it → segfault.
Post summary
The post outlines the details of CVE-2025-66281, describing a NULL pointer dereference flaw and its exploitation path, but does not provide a PoC, exploit code, or patch information.
2 of 2 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| OS | qnap | qts | - | - | - |
| OS | qnap | quts_hero | - | - | - |