Buffer Overflow Vulnerability in QNAP Operating Systems
CVE-2025-48721

1.2LOW

Key Information:

Vendor

QNAP
Status
Qts
Vendor
CVE Published:
2 January 2026

What is CVE-2025-48721?

A buffer overflow vulnerability has been identified in multiple versions of QNAP operating systems, which could allow remote attackers with administrative access to manipulate memory or disrupt system processes. The issue has been addressed in QTS version 5.2.8.3332 and later, emphasizing the importance of updating to secure systems against potential threats.

Affected Version(s)

QTS 5.2.x < 5.2.8.3332 build 20251128

References

https://www.qnap.com/en/security-advisory/qsa-25-51

CVSS V4

Score:
1.2
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yuze Wu(h1J4cker)
.