Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Deco W3600 v1

Gone quiet reasonably evidenced

no firmware for long enough to stand out against its own record

369 days since the last release against a median gap of 100 (3.7x)

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Last firmware
25 September 2025 (1 year ago)
Releases seen
10
Update rhythm
about every 3 months
Support observed
≥6 years
Vendor's promise
no support period we can evaluate
Patch latency
not measurable — its changelogs name no CVE ids

Which one do I have?

TP-Link ships this model in more than one hardware revision, and they do not share firmware. The revision is printed on the label on the underside, usually after the model — Ver 1.0, V4.6. Getting it wrong is the easiest way to read the wrong answer here.

Firmware history

  1. Deco W3600(US)_V1_1.6.1 Build 20250831 25 September 2025

    Release notes — disclosure 0.51 
    New Features/Enhancement: 1. Supported more parental control functions, including SafeSearch, YouTube Restricted, APP Time Limits, Always Allowed APPs, Offtime, etc. 2. Enhanced Web Filter, enriched visited/block history and optimized Blocked APPs for parental control. 3. Enhanced security functions of device.

    Archived page, fetched 29 September 2026

  2. Deco W3600(US)_V1_1.5.3 Build 20231226 4 February 2024

    Release notes — disclosure 0.06 
    Improvements: Enhanced the security of device.

    Archived page, fetched 29 September 2026

  3. Deco W3600(US)_V1_1.5.2 Build 20230908 13 October 2023

    Release notes — disclosure 0.24 
    Modifications and Bug fixes: 1. Improved and optimized the HomeCare feature.

    Archived page, fetched 29 September 2026

  4. Deco W3600(US)_V1_210121 19 March 2021

    Release notes — disclosure 0.61 
    Modifications and Bug fixes: 1. Added "allow ping on WAN" switch in Deco app. 2. Added "service name" and "access name" options when using PPPoE WAN connection. 3. Added Network Optimization feature. 4. Added owner account transfer feature. 5. Supported manually selecting IPTV port on satellite Deco. 6. Supported manually adding sites into Antivirus white list. 7. Added UPNP switch in Deco app. 8. Added guest network isolation switch in Access Point Mode. 9. Fixed the Bug that clients might not be able to get IP addresses when there are several address reservation entries in Deco app. 10. Fixed the problem that Zoom applications are banned by the Pay-to-Surf category under Parental Control. 11. Improved compatibility and stability.

    Archived page, fetched 29 September 2026

  5. Deco W3600(US)_V1_201013 30 October 2020

    Release notes — disclosure 0.53 
    Modifications and Bug Fixes: 1. Added the option to change the Wi-Fi encryption type. 2. Optimized the QoS feature. 3. Fixed the bug that iphone might lose internet connection intermittently. 4. Fixed the bug that the Mail service cannot connect to IMAP Servers correctly on Mac OS.

    Archived page, fetched 29 September 2026

  6. Deco W3600(US)_V1_200709 22 July 2020

    Release notes — disclosure 0.35 
    Modifications and Bug Fixes: 1. Fixed the bug that satellite Deco nodes display offline in some cases. 2. Optimized total performance and stability.

    Archived page, fetched 29 September 2026

  7. Deco W3600(US)_V1_200527 19 June 2020

    Release notes — disclosure 0.46 
    New features/Enhancements: 1. Improved overall stability. 2. Improved firmware upgrading mechnism. Bug fixes: 1. Fixed the bug that Deco W3600 would automatically reboot once Surface Pro tablet is connected to its network. 2. Fixed the bug that 2.4G wireless clients would drop connection under certain scenarios.

    Archived page, fetched 29 September 2026

  8. Deco W3600(US)_V1_200330 3 April 2020

    Release notes — disclosure 0.31 
    Modifications and Bug Fixes: Corrected the expiration date of HomeCare service.

    Archived page, fetched 29 September 2026

  9. Deco W3600(US)_V1_200304 25 March 2020

    Release notes — disclosure 0.31 
    Modifications and New Features: The HomeCare features are available now.

    Archived page, fetched 29 September 2026

  10. Deco W3600(US)_V1_200115 20 March 2020

    Release notes — disclosure 0.30 
    First firmware released.

    Archived page, fetched 29 September 2026

Evidence

One archived page sits behind this record, the earliest read on 1 August 2026. Everything above was read from it, and each is kept byte for byte so it can be checked after the vendor edits the original.

Identifiers: marketing_name Deco W3600

Judged by lifecycle-1 on 29 September 2026. How these verdicts are computed.

Machine-readable: JSON · RSS