CVE-2024-56805 QTS, QuTS hero

Medium 5.3 Published Updated

Remote attackers with user access can exploit a buffer overflow to modify memory or crash processes in QNAP operating systems.

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

What is CVE-2024-56805?

CVE-2024-56805 is a medium-severity memory corruption vulnerability in Qnap Qts, published on 6 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained user access to modify memory or crash processes.

We have already fixed the vulnerability in the following versions: QTS 5.2.4.3079 build 20250321 and later QuTS hero h5.2.4.3079 build 20250321 and later

Weakness: CWE-122, CWE-120

Which versions are affected by CVE-2024-56805?

It affects 2 products.

Products include Qnap Qts, Qnap Quts Hero.

How do I fix CVE-2024-56805?

No fix has been published for CVE-2024-56805 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-56805 being exploited?

There is no known exploitation of CVE-2024-56805 in the wild and no public exploit code.

All Qnap Qts vulnerabilities

Sources

Also known as GHSA-p54h-2395-8fr3.

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