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Vendor track record

QNAP

A track record, not a security rating. Every flaw in QNAP's products that CISA has confirmed was exploited, since its list began. Bigger vendors have more products and more attackers looking, so compare patterns, not totals.

Exploited flaws
11in 5 products
Added to CISA's list in 2026
00 in 2025
Used by ransomware
9of 11, says CISA
Disclosure to CISA's list
573 daysmedian; 2 of 11 listed within 30 days

Exploited flaws by the year they were disclosed

The year in each CVE ID, roughly when the flaw became public. Recent years can still grow: flaws are often exploited, and listed, years later.

0 2 4 2018 2019 2020 2021 2022 2023 2024 2025 2026

Hover or tab through a year for its count.

Show as a table
Year disclosedExploited flaws
20183
20194
20201
20211
20221
20231
20240
20250
20260

Products exploited more than once

ProductFlawsFirst listedLatest
Network Attached Storage (NAS)42022-03-312022-05-24
Photo Station42022-06-082022-09-08

Latest on CISA's list

In the news

No security story in the last 14 days named QNAP in its headline.

From CISA's Known Exploited Vulnerabilities catalogue. "Disclosure to CISA's list" uses NVD's publication date and leaves out the 2021-11-03 launch, when CISA added hundreds of older flaws at once; CISA often lists a flaw after attacks have begun, so it's an upper limit on how fast exploitation came.