PT-2026-1092 · Qnap · Qnap

Yuze Wu · CVE-2025-48721 · Published 2026-01-02 · Updated 2026-01-06

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Name of the Vulnerable Software and Affected Versions QNAP versions prior to 5.2.8.3332 build 20251128

Description A buffer overflow issue exists in QNAP operating system. A remote attacker gaining administrator access can exploit this to modify memory or cause processes to crash.

Recommendations Update to QTS 5.2.8.3332 build 20251128 or later.

Fix

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-120

Related Identifiers

CVE-2025-48721

Affected Products

Qnap

References · 5

• https://osv.dev/vulnerability/CVE-2025-48721 · Vendor Advisory
• https://qnap.com/en/security-advisory/qsa-25-51 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-48721 · Security Note
• https://twitter.com/CVEnew/status/2007118423214694409 · Twitter Post
• https://t.me/cveNotify/147820 · Telegram Post