CVE-2025-30274 QTS, QuTS hero
Attackers can cause a denial-of-service on QNAP NAS devices via a NULL pointer dereference, requiring an OS upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-30274?
CVE-2025-30274 is a medium-severity vulnerability in Qnap Qts, published on 29 Aug 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If can then exploit the vulnerability to launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following versions: QTS 5.2.5.3145 build 20250526 and later QuTS hero h5.2.5.3138 build 20250519 and later
Weakness: CWE-476
Which versions are affected by CVE-2025-30274?
It affects 2 products.
Products include Qnap Qts, Qnap Quts Hero.
How do I fix CVE-2025-30274?
No fix has been published for CVE-2025-30274 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-30274 being exploited?
There is no known exploitation of CVE-2025-30274 in the wild and no public exploit code.
Other vulnerabilities in Qnap Qts
Sources
Also known as GHSA-g3rj-xppw-7c7v.