CVE-2025-62850: NULL Pointer Dereference in networkRequest.cgi
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 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later
Other sources
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. 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 versions: QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3459 build 20260409 and later
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
QNAP QTSto a version that resolves this vulnerability.Fixed in 5.2.9.3410 build 20260214 - Upgrade
Upgrade
QNAP QVPto a version that resolves this vulnerability.Fixed in 2.7.4 - Upgrade
Upgrade
QNAP QuTS cloudto a version that resolves this vulnerability.Fixed in c5.2.9.3468 build 20260413 - Upgrade
Upgrade
QNAP QuTS heroto a version that resolves this vulnerability.Fixed in h5.2.9.3410 build 20260214 - Upgrade
Upgrade
QNAP QuTS heroto a version that resolves this vulnerability.Fixed in h5.3.4.3500 build 20260520 - Upgrade
Upgrade
QNAP QuTS heroto a version that resolves this vulnerability.Fixed in h6.0.0.3459 build 20260409
Event History
Frequently Asked Questions
What is the severity of CVE-2025-62850?
CVE-2025-62850 has a medium severity rating of 5.1 based on its CVSS score.
How do I fix CVE-2025-62850?
CVE-2025-62850 can be fixed by updating to QuTS hero h5.2.9.3410 build 20260214 or later, h5.3.4.3500 build 20260520 or later, or h6.0.0.3459 build 20260409 or later.
What type of vulnerability is CVE-2025-62850?
CVE-2025-62850 is classified as a Null Pointer Dereference vulnerability.
What could an attacker do by exploiting CVE-2025-62850?
If exploited, CVE-2025-62850 allows a remote attacker with an administrator account to launch a denial-of-service (DoS) attack.
Which software is affected by CVE-2025-62850?
CVE-2025-62850 affects several versions of the QNAP QuTS hero operating system.