CVE-2025-62848 QTS, QuTS hero

High 8.1 Published Updated

Remote attackers can cause a denial-of-service condition in QNAP QTS and QuTS hero operating systems via a NULL pointer dereference.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-62848?

CVE-2025-62848 is a high-severity vulnerability in Qnap Qts, published on 16 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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 5.2.7.3297 build 20251024 and later QuTS hero h5.2.7.3297 build 20251024 and later QuTS hero h5.3.1.3292 build 20251024 and later

Weakness: CWE-476

Which versions are affected by CVE-2025-62848?

It affects 2 products.

Products include Qnap Qts, Qnap Quts Hero.

How do I fix CVE-2025-62848?

No fix has been published for CVE-2025-62848 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-62848 being exploited?

There is no known exploitation of CVE-2025-62848 in the wild and no public exploit code.

All Qnap Qts vulnerabilities

Sources

Also known as GHSA-7vwr-42wj-qjpw.

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