QNAP NAS ES1640dc v2 · Version Status

QNAP NAS ES1640dc v2 End of Life Date

QNAP NAS ES1640dc v2 end-of-life date, support status, and CVE risk. Dates read at the vendor's own lifecycle pages (qnap.com); the source of each date is on the product page.

⚠ QNAP NAS ES1640dc v2 is past end of life. This version no longer receives security patches. Past EOL — migrate to a supported version immediately.
EOL Date
date not published
Past EOL
Latest Release
ES1640dc v2
Standard release
Release Date
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QNAP NAS ES1640dc v2 series
Spotted a date that disagrees with the vendor's own lifecycle page? Report it with the vendor's link → Every correction is published on the accuracy page.
← QNAP NAS ES1640dc All QNAP NAS versions QNAP NAS HS-210 →
65 / 100
High Risk
EOL Risk Score™  How is this calculated? →
EOL Recency
35/40
Attack Surface
10/30 Medium tier
CISA KEV Exposure
20/20 Named in CISA KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build. Methodology →  ·  View score card →
Recommended upgrade path
QNAP NAS ES1686Adc
Latest release: ES1686Adc · EOL: Supported
View full QNAP NAS timeline →
Extended Support
Extended QNAP NAS ES1640dc v2 support options

Some vendors and third parties sell security patches beyond end of life; whether one covers this version varies. Compare your options.

Compare Options →
All QNAP NAS Versions
VersionLatestEOL DateStatus
UX-800U-RP UX-800U-RP Supported EOL
UX-800P UX-800P Supported EOL
UX-500P UX-500P Supported EOL
UX-1200U-RP UX-1200U-RP Supported EOL
TX-800P TX-800P Supported EOL
TX-500P TX-500P Supported EOL
TVS-871U-RP TVS-871U-RP Supported EOL
TVS-871 TVS-871 Supported EOL

What does QNAP NAS ES1640dc v2 end of life mean?

When QNAP NAS ES1640dc v2 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.

The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running QNAP NAS ES1640dc v2 past its EOL date creates a growing attack surface that a clean scan result does not rule out.

Migrate to QNAP NAS ES1686Adc or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.

Frequently Asked Questions
When does QNAP NAS ES1640dc v2 reach end of life?
QNAP NAS ES1640dc v2 has already reached end of life, though the vendor has not published an exact date.
Is QNAP NAS ES1640dc v2 still supported?
No. QNAP NAS ES1640dc v2 reached end of life on date not published and is no longer receiving security patches.
What should I upgrade to from QNAP NAS ES1640dc v2?
The recommended upgrade from QNAP NAS ES1640dc v2 is QNAP NAS ES1686Adc — the latest actively supported version. Check the QNAP NAS full timeline for all supported versions.
What are the security risks of running QNAP NAS ES1640dc v2 past EOL?
Since QNAP NAS ES1640dc v2 reached end of life, the maintainers no longer issue security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL QNAP NAS should migrate immediately or implement compensating controls.
Deep Dive
Full guide
QNAP NAS End of Life: Four Models Reach EOL on December 31, 2026
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Data from the vendor's own lifecycle pages (qnap.com) · Generated at build time · How we source data →