CVE-2025-30269HIGH 8.1EPSS p19.6%

CVE-2025-30269CVE-2025-30269

Description

A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to obtain secret data or modify memory. We have already fixed the vulnerability in the following version: Qsync Central 5.0.0.4 ( 2026/01/20 ) and later

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS0.28% probability of exploitation · percentile 19.6% · 2026-06-18T12:00:27Z
Published2026-02-11
Last modified2026-02-11

Underlying weaknesses· 1

CWE-134

References

  1. https://www.qnap.com/en/security-advisory/qsa-26-02

1

TypeTargetConfidenceTier
WeaknessUse of Externally-Controlled Format Stringcwe-1340%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.