Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Deco X3600 v1

Gone quiet reasonably evidenced

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

746 days since the last release against a median gap of 63 (11.8x)

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Last firmware
13 September 2024 (2 years ago)
Releases seen
11
Update rhythm
about every 2 months
Support observed
≥4 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 X3600(US)_V1_1.2.5 Build 20240723 13 September 2024

    Release notes — disclosure 0.06 
    Fixed some security vulnerabilities.

    Archived page, fetched 29 September 2026

  2. Deco X3600(US)_V1_1.2.4 Build 20231226 19 January 2024

    Release notes — disclosure 0.55 
    New Features/Enhancements: 1. Added SafeSearch and YouTube Restricted function in Homeshield. 2. Added OFDMA and MU-MIMO toggle. 3. Improved speed of onboarding process. 4. Supported 32 bit mask for DHCP and static IP dialing. 5. Enhanced the security of device. Bug fixes: 1. Fixed the bug of misdetection of port scanning for IoT devices. 2. Fixed the bug related to guest network isolation in AP mode.

    Archived page, fetched 29 September 2026

  3. Deco X3600(US)_V1_1.2.2 Build 20230726 7 August 2023

    Release notes — disclosure 0.32 
    Fixed the issue of abnormal link on the Ethernet port in some cases.

    Archived page, fetched 29 September 2026

  4. Deco X3600(US)_V1_1.2.1 Build 20230611 26 June 2023

    Release notes — disclosure 0.61 
    New Features/Enhancements: 1. Support for customizing Satellite Deco signal source. 2. Support for customizing Clients connection preference. 3. Support for Reboot Schedule. 4. Support for NO-IP and DynDNS. 5. Support for setting Effective Time and Bandwidth Limit for guest network. 6. Added Smart DHCP switch under Access Point mode. 7. Added an alert in the App when the main Deco and modem negotiation speed is only 10/100Mbps. 8. Added the static route function. 9. Added the ability to customize the MTU. 10. Added IOT network function. 11. Added configuration via DS-Lite. 12. Optimized the Homeshield function. 13. Improved system stability.

    Archived page, fetched 29 September 2026

  5. Deco X3600(US)_V1_1.1.4 Build 20230404 5 May 2023

    Release notes — disclosure 0.44 
    New Features/Enhancements: 1. Optimized the Homeshield. 2. Optimized the week report. 3. Improved system stability.

    Archived page, fetched 29 September 2026

  6. Deco X3600(US)_V1_1.1.3 Build 20230303 5 May 2023

    Release notes — disclosure 0.34 
    Modifications and Bug fixes: 1. Improved backhaul stability. 2. Optimized the HomeShield feature.

    Archived page, fetched 29 September 2026

  7. Deco X3600(US)_V1_1.1.2 Build 20230130 23 February 2023

    Release notes — disclosure 0.35 
    Modifications and Bug fixes: 1. Improved stability with 802.11AC 5G client devices such as Chromecast/Google Nest/Samsung A series phones. 2. Improved satellite stability.

    Archived page, fetched 29 September 2026

  8. Deco X3600(US)_V1_1.1.1 Build 20221115 30 December 2022

    Release notes — disclosure 0.39 
    Modifications and Bug fixes: 1. Improved upload performance in Verizon FIOS Broadband Network. 2. Fixed the issue that guest network might not have Internet when using ethernet backhaul 3. Improved backhaul stability.

    Archived page, fetched 29 September 2026

  9. Deco X3600(US)_V1_1.0.4_20210520 2 July 2021

    Release notes — disclosure 0.43 
    Modifications and Bug fixes: 1. Improved backhaul performance. 2. Improved backhaul stability. 3. Added "change owner account" feature. 4. Optimized roaming experience.

    Archived page, fetched 29 September 2026

  10. Deco X3600(US)_V1_1.0.1_201223 18 January 2021

    Release notes — disclosure 0.39 
    Modifications and Bug Fixes: 1. Optimized AI-roaming 2. Improved stability on the Android APP 3. Fixed some minor bugs on the Network Optimization feature 4. Improved stability of the wireless connection

    Archived page, fetched 29 September 2026

  11. Deco X3600(US)_V1_200930 24 November 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 X3600

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

Machine-readable: JSON · RSS