QNAP NAS TS-239 Pro II · Version Status

QNAP NAS TS-239 Pro II End of Life Date

QNAP NAS TS-239 Pro II end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.

QNAP NAS TS-239 Pro II is past end of life. This version no longer receives security patches. 1409 days past EOL — migrate to a supported version immediately.
EOL Date
Oct 31, 2022
1409 days past EOL
Latest Release
TS-239 Pro II
Standard release
Release Date
QNAP NAS TS-239 Pro II series
Lifecycle detail

It has been without security patches for 3 years and 10 months.

← QNAP NAS TS-239 Pro All QNAP NAS versions QNAP NAS TS-239 Pro II+ →
70 / 100
High Risk
EOL Risk Score™  How is this calculated? →
EOL Recency
40/40
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 EJ1600
Latest release: EJ1600 · EOL: Supported
View full QNAP NAS timeline →
Extended Support
Extended QNAP NAS TS-239 Pro II support is available

Commercial vendors offer security patches beyond EOL. Compare your options.

Compare Options →
All QNAP NAS Versions
VersionLatestEOL DateStatus
TVS-871U-RP TVS-871U-RP Supported EOL
TVS-871 TVS-871 Supported EOL
TVS-671 TVS-671 Supported EOL
TVS-471U-RP TVS-471U-RP Supported EOL
TVS-471U TVS-471U Supported EOL
TVS-471 TVS-471 Supported EOL
TVS-1271U-RP TVS-1271U-RP Supported EOL
TS-EC879U-RP TS-EC879U-RP Supported EOL

What does QNAP NAS TS-239 Pro II end of life mean?

When QNAP NAS TS-239 Pro II 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: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running QNAP NAS TS-239 Pro II past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.

Migrate to QNAP NAS EJ1600 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.

Frequently Asked Questions
When does QNAP NAS TS-239 Pro II reach end of life?
QNAP NAS TS-239 Pro II reached end of life on October 31, 2022. This version is no longer receiving security patches.
Is QNAP NAS TS-239 Pro II still supported?
No. QNAP NAS TS-239 Pro II reached end of life on October 31, 2022 and is no longer receiving security patches.
What should I upgrade to from QNAP NAS TS-239 Pro II?
The recommended upgrade from QNAP NAS TS-239 Pro II is QNAP NAS EJ1600 — the latest actively supported version. Check the QNAP NAS full timeline for all supported versions.
What are the security risks of running QNAP NAS TS-239 Pro II past EOL?
When QNAP NAS TS-239 Pro II reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL QNAP NAS should migrate immediately or implement compensating controls.
Data from endoflife.date API · Generated at build time · How we source data →