PatchTheCVECVE-2025-62850: A NULL pointer dereference vulnerability has been reported to affect QTS, QVP, QuTS cloud and QuTS hero
CVE-2025-62850 is a high-severity flaw (CVSS 7.2) affecting quts hero. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A NULL pointer dereference vulnerability has been reported to affect QTS, QVP, QuTS cloud and QuTS hero. 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: QTS 5.2.9.3410 build 20260214 and later QVP 2.7.4 and later QuTS cloud c5.2.9.3468 build 20260413 and later QuTS hero h5.2.9.3410 build 20260
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 62%) |
| CISA exploited list | No |
| Weakness | CWE-476 |
| Published | 2026-06-10 |
| Last modified | 2026-10-15 |
Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-62850?
quts hero: upgrade to h5.2.9.3410, h5.3.4.3500, h6.0.0.3459. Exact commands for each OS are on this page.
Is CVE-2025-62850 being exploited?
CVE-2025-62850 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-62850 affect?
CVE-2025-62850 affects quts hero. Severity is high (CVSS 7.2). A NULL pointer dereference vulnerability has been reported to affect QTS, QVP, QuTS cloud and QuTS hero. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack
How urgent is CVE-2025-62850?
Priority 35/100. High severity
Software pages
Related CVEs
- CVE-2025-66273 HIGH 7.2 UPGRADE UPGRADE A command injection vulnerability has been reported to affect several QNAP operating system versions
- CVE-2025-66279 HIGH 7.2 UPGRADE UPGRADE A command injection vulnerability has been reported to affect several QNAP operating system versions
- CVE-2026-22893 HIGH 7.2 UPGRADE UPGRADE A command injection vulnerability has been reported to affect several QNAP operating system versions
- CVE-2026-24719 HIGH 7.2 UPGRADE UPGRADE A command injection vulnerability has been reported to affect several QNAP operating system versions
- CVE-2025-66280 HIGH 7.2 UPGRADE UPGRADE An integer overflow or wraparound vulnerability has been reported to affect several QNAP operating system vers