Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Deco X4300 Pro v1.6

Actively updated well evidenced

firmware is arriving about as often as it always has

96 days since the last release against a median gap of 170 (0.6x)

Sign in to be emailed when this verdict changes.
Last firmware
26 June 2026 (3 months ago)
Releases seen
8
Update rhythm
about every 6 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 X4300 Pro(US)_V1.6_1.6.12 Build 20260513 26 June 2026

    Release notes — disclosure 0.35
    New Features/Enhancements: 1. Added the 5G bandwidth switch feature. 2. Improved overall system stability and security.
  2. Deco X4300 Pro(US)_V1.6_1.4.0 Build 20241212 17 March 2025

    Release notes — disclosure 0.51
    New Features/Enhancements: 1. Enhanced the wireless performance; 2. Enhance the system stability. Bug fixes: 1. Fixed the bug that IPv6 information is empty after enabling VLAN; 2. Fixed the bug that satellite Deco goes offline when a significant number of Tapo devices were present in a Deco network; 3. Fixed the bug that setting port forwarding rules would disconnect all clients after setting DNS in DHCP server; 4. Fixed some client list display bugs.
  3. Deco X4300 Pro(US)_V1.6_1.2.4 Build 20240123 18 July 2024

    Release notes — disclosure 0.42
    Improvements and Bug Fixes: 1. Fixed the bug of APP displaying no limits after enabling time limits. 2. Supported Tapo/Kasa devices configuration via KLAP.
  4. Deco X4300 Pro(US)_V1.6_1.2.3 Build 20231227 30 January 2024

    Release notes — disclosure 0.24
    Bug Fixes: 1. Fix the potential security vulnerability and its related problem.
  5. Deco X4300 Pro(US)_V1.6_1.2.2 Build 20231101 23 November 2023

    Release notes — disclosure 0.59
    1. Fixed the bug of inaccurate traffic display 2. Fixed the bug of unstable display position of IoT devices 3. Fixed the bug related to display name for UNKNOWN clients 4. Fixed the bug that the name of guest network is restored to the default value after it's closed and reopened 5. Fixed the bug that the new configuration file cannot be generated after modifying the OpenVPN configuration
  6. Deco X4300 Pro(US)_V1.6_1.2.1 Build 20230608 26 June 2023

    Release notes — disclosure 0.54
    New Features/Enhancements: 1. Added VPN server/client features, including Open VPN, L2TP VPN and PPTP VPN. 2. Added the static route function. 3. Added the ability to customize the MTU. 4. Added IOT network function. 5. Added configuration via DS-Lite. 6. Added SafeSearch function and Youtube Restrict function in the Homeshield. 7. Optimized the Homeshield function. 8. Improved system stability.
  7. Deco X4300 Pro(US)_V1.6_1.0.4 Build 20230303 10 April 2023

    Release notes — disclosure 0.57
    New Features/Enhancements: 1. Optimized web protection function. 2. Optimized Ethernet backhaul function. 3. Optimized the network optimization function. 4. Optimized the client list function. 5. Optimized compatibility between Deco and some Samsung devices. 6. Improved system stability. Bug fixes: 1. Fixed the bug that Deco App still pushes weekly/monthly reports in AP mode. 2. Fix the bug that IPTV does not work properly under some ISP lines. 3. Fixed the bug that ISP does not assign IP address to Deco under some ISP lines. 4. Fix the bug that address reservation does not take effect in some cases.
  8. Deco X4300 Pro(US)_V1.6_1.0.2 Build 20220707 28 July 2022

    Release notes — disclosure 0.25
    Modifications and Bug fixes: 1. Fixed the issue that satellite unit might be unstable under certain circumstances.

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 X4300 Pro

Judged by lifecycle-1 on 30 September 2026. How these verdicts are computed.

Machine-readable: JSON · RSS