Deco W3600 v2.6
Slowing down well evidenced
updates are coming less often than this product's own history
316 days since the last release against a median gap of 192 (1.6x)
- Last firmware
- 17 November 2025 (10 months ago)
- Releases seen
- 11
- Update rhythm
- about every 6 months
- Support observed
- ≥5 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.
- Deco W3600 v1 (US) Gone quiet 10 releases
- Deco W3600 v1.26 Gone quiet 1 releases
- Deco W3600 v1.26 (US) Slowing down 5 releases
- Deco W3600 v3.6 (US) Actively updated 11 releases
- Deco W3600 v4.6 (US) Slowing down 9 releases
Firmware history
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Deco W3600(US)_V2.6_1.3.0 Build 20250912 17 November 2025
Release notes — disclosure 0.34
New Features/Enhancement: 1. Supported more parental control functions. 2. Improved system stability and security.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_1.2.5 Build 20240720 26 September 2024
Release notes — disclosure 0.28
New Features/Enhancements: 1. Fixed several security vulnerabilities. 2. Improved system stability.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_1.2.4 Build 20231206 3 January 2024
Release notes — disclosure 0.49
New features/Enhancements: 1. Added OFDMA/MU_MIMO switch. 2. Improve system stability and security. Bug Fixes: 1. Fixed the bug that the name of guest network is restored to the default value after it's closed and reopened. 2. Fixed the bug related to client device listing. 3. Fixed the bug related to IPTV.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_1.2.3 Build 20230906 11 September 2023
Release notes — disclosure 0.31
Fixed the bug that parental control doesn't take effect.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_1.2.1 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
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Deco W3600(US)_V2.6_1.2.0 Build 20230612 5 July 2023
Release notes — disclosure 0.60
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. Improved system stability.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_1.1.4 Build 20221115 28 December 2022
Release notes — disclosure 0.49
Improvements: 1. Optimized the stability of wireless backhaul. 2. Improved system reliability and security. Bug fixed: 1. Fixed the bug of unavailability of satellite Deco's guest network in a specific network topology. 2. Fixed the bug of low upload speed in some scenes.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_1.1.3_20211122 27 January 2022
Release notes — disclosure 0.35
Modifications and Bug fixes: 1. Fixed the bug that Wi-Fi configuration might not take effect under certain circumstances. 2. Improved backhaul stability.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_1.0.7_20210607 15 July 2021
Release notes — disclosure 0.24
Modifications and Bug fixes: 1. Improved roaming experience.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_210424 2 July 2021
Release notes — disclosure 0.28
Modifications and Bug Fixes: 1. Improved performance. 2. Improved compatibility and stability.
Archived page, fetched 29 September 2026
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Deco W3600(US)_V2.6_201029 27 November 2020
Release notes — disclosure 0.32
Modifications and Bug Fixes: Improved stability on both 2.4GHz and 5GHz connections.
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.