QTS

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

QTS

Product reference — QTS by Qnap Systems · sector: Other. Cumulative disclosure record for this product across the archive.

Product totals

Disclosures & known-exploited
	All-time	YTD
CVEs	15	12
KEV entries	3	0

Rate & severity
KEV/100	Med CVSS	Med EPSS	C	H	M	L
20.0	6.1	.0046	2	3	7	3

KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.

Monthly disclosures

Trend (by first-seen month, full archive): ▃▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁

Last 12 months (new CVEs by first-seen day)
Month	New CVEs
2025-09	0
2025-10	0
2025-11	0
2025-12	0
2026-01	0
2026-02	0
2026-03	0
2026-04	0
2026-05	0
2026-06	12
2026-07	0
2026-08	0

Notable CVEs

Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.

Notable (ranked)
CVE	CVSS	EPSS %ile	Severity	KEV	First seen
CVE-2018-19949	9.8	97.7	CRITICAL	YES	2022-05-24
CVE-2018-19953	6.1	97.6	MEDIUM	YES	2022-05-24
CVE-2018-19943	5.4	96.9	MEDIUM	YES	2022-05-24
CVE-2026-22893	8.6	62.7	HIGH	—	2026-06-10
CVE-2025-66273	8.6	61.6	HIGH	—	2026-06-10
CVE-2025-66279	8.6	61.6	HIGH	—	2026-06-10
CVE-2026-24719	6.1	59.4	MEDIUM	—	2026-06-10
CVE-2025-66281	6.9	38.0	MEDIUM	—	2026-06-10
CVE-2025-62858	5.1	37.2	MEDIUM	—	2026-06-09
CVE-2025-66280	5.1	36.4	MEDIUM	—	2026-06-10
CVE-2026-24717	1.2	32.5	LOW	—	2026-06-10
CVE-2025-59382	1.2	30.1	LOW	—	2026-06-10
CVE-2026-24716	1.2	26.1	LOW	—	2026-06-10
CVE-2025-66276	9.2	21.6	CRITICAL	—	2026-06-10
CVE-2026-41539	6.3	9.3	MEDIUM	—	2026-06-09

Recent CVEs

Most recently seen
CVE	CVSS	EPSS %ile	Severity	KEV	First seen
CVE-2026-24719	6.1	59.4	MEDIUM	—	2026-06-10
CVE-2026-24717	1.2	32.5	LOW	—	2026-06-10
CVE-2026-24716	1.2	26.1	LOW	—	2026-06-10
CVE-2026-22893	8.6	62.7	HIGH	—	2026-06-10
CVE-2025-66281	6.9	38.0	MEDIUM	—	2026-06-10
CVE-2025-66280	5.1	36.4	MEDIUM	—	2026-06-10
CVE-2025-66279	8.6	61.6	HIGH	—	2026-06-10
CVE-2025-66276	9.2	21.6	CRITICAL	—	2026-06-10
CVE-2025-66273	8.6	61.6	HIGH	—	2026-06-10
CVE-2025-59382	1.2	30.1	LOW	—	2026-06-10
CVE-2026-41539	6.3	9.3	MEDIUM	—	2026-06-09
CVE-2025-62858	5.1	37.2	MEDIUM	—	2026-06-09
CVE-2018-19953	6.1	97.6	MEDIUM	YES	2022-05-24
CVE-2018-19949	9.8	97.7	CRITICAL	YES	2022-05-24
CVE-2018-19943	5.4	96.9	MEDIUM	YES	2022-05-24

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVE	KEV added	CVSS	EPSS %ile	Severity
CVE-2018-19953	2022-05-24	6.1	97.6	MEDIUM
CVE-2018-19949	2022-05-24	9.8	97.7	CRITICAL
CVE-2018-19943	2022-05-24	5.4	96.9	MEDIUM

Vendor: Qnap Systems — all products and the full vendor record.

Methodology

A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.