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QNAP QTS Operating System β€” Security Intelligence & Vulnerability Profile


ParameterTechnical Specification
Official NameQNAP QTS Operating System
Vendor / Projectqnap
Canonical IDqnap:qts
Versioning Schemegeneric
CPE Identifierscpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
Overall PostureCRITICAL
Recommended Safe Release5.1.5.2643

Documented CVEs

1 vulnerabilities cataloged in the Hermes intelligence repository.

CISA KEV Entries

1 flaws with confirmed active in-the-wild exploitation.

Weaponized Exploits

1 vulnerabilities with publicly available PoCs or weaponized exploit tooling.

Remediation Target

Recommended upgrade to 5.1.5.2643 to neutralize known flaws.


Progression of Hermes Threat Score (HTS) posture and maximum EPSS probability over the last 30 days:

Current HTS Score

0 / 100

= Stable over 30d

Max EPSS (Exploitation)

89.9 %

= Stable over 30d

CISA KEV Activity

1

Active in-the-wild exploitation

HTS Trend Curve (D-30 β†’ Today)2026-08-12 β†’ 2026-09-10

3. Vulnerability History & Version Applicability Matrix

Section titled β€œ3. Vulnerability History & Version Applicability Matrix”
CVECVSS ScoreEPSS ProbabilityCISA KEVAffected VersionsFixed InHermes Analysis
CVE-2023-472189.8 (CRITICAL)89.9%CISA KEVv5.0.0 to v5.1.45.1.5.2643-

Vulnerabilities impacting QNAP QTS Operating System are actively leveraged in real-world intrusion campaigns:

  • CVE-2023-47218: Qlocker and DeadBolt campaigns

Are you operating QNAP QTS Operating System in your infrastructure? Inspect your running build to evaluate applicability, confidence score, and security deltas: