NULL Pointer Dereference Vulnerability in QNAP Operating Systems
CVE-2025-62848

8.1HIGH

Key Information:

Vendor

QNAP
Status
Qts
Quts Hero
Vendor
CVE Published:
16 December 2025

What is CVE-2025-62848?

A NULL pointer dereference vulnerability exists in various versions of QNAP operating systems, which may allow remote attackers to exploit it for denial-of-service (DoS) attacks. This vulnerability can interrupt service availability by causing the system to crash, leading to potential disruptions in user access and operations. Users are advised to update to the patched versions to mitigate any risks associated with this vulnerability.

Affected Version(s)

QTS 5.2.x < 5.2.7.3297 build 20251024

QuTS hero h5.2.x

QuTS hero h5.3.x

References

https://www.qnap.com/en/security-advisory/qsa-25-45

CVSS V4

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pwn2Own 2025 - DEVCORE
JSON
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CVE-2025-62848 : NULL Pointer Dereference Vulnerability in QNAP Operating Systems