ENKR

RT-AC5300

Ended

Security updates ended March 2025

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Dates and sources

Dates and sources

Calculated ASUS’s firmware page marks this model as end-of-life without a date, so I use the release date of its final firmware (March 28, 2025).

Key dates

Release
By July 2018 at the latest
The maker gives no launch date. This is the month of the first update: the launch was in it or before.
Last update
March 28, 2025 · version 3.0.0.4.386_48439
End of support
March 28, 2025 · calculated by us from the maker’s data
How I calculated it: ASUS’s firmware page for this model says it reached end of life and its firmware will no longer be updated, next to the final firmware 3.0.0.4.386_48439. ASUS gives no separate date, so we use that final firmware’s release date (2025-03-28).
Maker’s end-of-life list
Listed, no date given

Firmware updates

Updates I found on the maker’s pages, from July 2018 to March 2025. I read the notes of 20 of these updates and found security changes in 12.

3.0.0.4.386_48439 Security, bug fixes, new features or improvements
3.0.0.4.386_48430 Security
3.0.0.4.386.48377 Security, new features or improvements · 8 vulnerability IDs (opens in a new tab)
3.0.0.4.386.46065 Security, bug fixes, new features or improvements
3.0.0.4.386.43576 Bug fixes
16 more
3.0.0.4.386.43129 Security, bug fixes, new features or improvements · 7 vulnerability IDs (opens in a new tab)
3.0.0.4.384.82072 Security
3.0.0.4.384.81981 Security, new features or improvements · 2 vulnerability IDs (opens in a new tab)
3.0.0.4.384.81930 Bug fixes, new features or improvements
3.0.0.4.384.81902 Bug fixes, new features or improvements
3.0.0.4.384.81844 Bug fixes, new features or improvements
3.0.0.4.384.81792 New features or improvements
3.0.0.4.384.81625 Security · 1 vulnerability ID (opens in a new tab)
3.0.0.4.384.81623
3.0.0.4.384.81622 Bug fixes, new features or improvements
6 more
3.0.0.4.384.81219 Security, bug fixes, new features or improvements
3.0.0.4.384.45717 Security, bug fixes · 2 vulnerability IDs (opens in a new tab)
3.0.0.4.384.45149 Security, bug fixes, new features or improvements · 8 vulnerability IDs (opens in a new tab)
3.0.0.4.384.32799 Bug fixes
3.0.0.4.384.32738 Security, bug fixes, new features or improvements
3.0.0.4.384.21140

Record

  1. Last advisory with a fix: 8 fixed

    ASUS RT-AC5300 firmware 3.0.0.4.386.48377 · checked November 13, 2026

  2. as of

    Fixes received: estimated 15

    Each fix below rests partly on our inference, not only on the maker's word. By this estimate, the newest firmware we know for this model has them. Not counted in the other numbers on this page.

    Show the list: estimated fixes

    Basis: The firmware we recorded for this model is on a different version line from the fixed firmware, so we assumed it has the fix because its number or date is later.

Sources

Replacements

Among routers still getting updates

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Until you replace it

  1. Check that firmware 3.0.0.4.386_48439 or later is installed.
  2. Turn off remote (WAN) management, WPS and UPnP.
  3. Change the admin and Wi-Fi passwords.
  4. Check the vendor page in case a final firmware is listed.

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