RT-AX89X
Ended
Security updates ended . Ended October 2025 · estimate
The maker no longer promises fixes for newly found security problems on this model.
Minimum support period for the UK: the maker promised security updates for products sold in the UK until at least December 31, 2025. That minimum has passed; it was not an announced end date.
Minimum support period for Singapore: the maker promised security updates for products sold in Singapore until at least February 28, 2025. That minimum has passed; it was not an announced end date.
Dates and sources
Dates and sources
The maker lists this model as end-of-life without a date, so I show it as ended.
SourceASUS (opens in a new tab)checked October 15, 2026
Key dates
- Release
- By November 2019 at the latestThe maker gives no launch date. This is the month of the first update: the launch was in it or before.
- Last update
- October 31, 2025 · version 3.0.0.4.388_33812
- End of support
- October 2025 · estimateThe maker gives no date: this is the month of the last update.
- Minimum support for the UK
- December 31, 2025 · vendor notice
- Minimum support for Singapore
- February 28, 2025 · vendor notice
- Maker’s end-of-life list
- Listed, no date given
Firmware updates
Updates I found on the maker’s pages, from November 2019 to October 2025. I read the notes of 15 of these updates and found security changes in 7.
- 3.0.0.4.388_33812 Security, bug fixes, new features or improvements
- 3.0.0.4.388_33744 Security
- 3.0.0.4.388_32407 Security, new features or improvements · 81 vulnerability IDs (opens in a new tab)
- 3.0.0.4.386.47468 Security, bug fixes, new features or improvements
- 3.0.0.4.386.47191 Bug fixes, new features or improvements
10 more
- 3.0.0.4.386.47027 Security, bug fixes, new features or improvements
- 3.0.0.4.386.45130 Bug fixes
- 3.0.0.4.386.45120 Security, bug fixes, new features or improvements · 32 vulnerability IDs (opens in a new tab)
- 3.0.0.4.386.23012 Security, bug fixes, new features or improvements · 7 vulnerability IDs (opens in a new tab)
- 3.0.0.4.386.22790 Bug fixes, new features or improvements
- 3.0.0.4.384.82800 New features or improvements
- 3.0.0.4.384.81444 Bug fixes, new features or improvements
- 3.0.0.4.384.81377 New features or improvements
- 3.0.0.4.384.81361 Bug fixes, new features or improvements
- 3.0.0.4.384.81324 New features or improvements
Record
Last advisory with a fix: 81 fixed
ASUS RT-AX89X firmware 3.0.0.4.388_32407 · checked November 13, 2026
- as of
Fixes received: estimated 37
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.
Firmware 3.0.0.4.386.45120 or later
Source: asus.com (opens in a new tab) · checked November 13, 2026
- CVE-2016-2148 NVD CVE-2016-2148 (opens in a new tab)
- CVE-2019-5482 NVD CVE-2019-5482 (opens in a new tab)
- CVE-2018-1000120 NVD CVE-2018-1000120 (opens in a new tab)
- CVE-2019-5481 NVD CVE-2019-5481 (opens in a new tab)
- CVE-2018-16839 NVD CVE-2018-16839 (opens in a new tab)
- CVE-2017-6519 NVD CVE-2017-6519 (opens in a new tab)
- CVE-2020-14305 NVD CVE-2020-14305 (opens in a new tab)
- CVE-2019-9497 NVD CVE-2019-9497 (opens in a new tab)
- CVE-2017-13082 NVD CVE-2017-13082 (opens in a new tab)
- CVE-2019-9499 NVD CVE-2019-9499 (opens in a new tab)
- CVE-2019-9498 NVD CVE-2019-9498 (opens in a new tab)
- CVE-2018-19052 NVD CVE-2018-19052 (opens in a new tab)
- CVE-2016-6301 NVD CVE-2016-6301 (opens in a new tab)
- CVE-2019-19052 NVD CVE-2019-19052 (opens in a new tab)
- CVE-2020-15078 NVD CVE-2020-15078 (opens in a new tab)
- CVE-2019-9496 NVD CVE-2019-9496 (opens in a new tab)
- CVE-2020-8169 NVD CVE-2020-8169 (opens in a new tab)
- CVE-2020-27827 NVD CVE-2020-27827 (opens in a new tab)
- CVE-2016-4476 NVD CVE-2016-4476 (opens in a new tab)
- CVE-2021-27803 NVD CVE-2021-27803 (opens in a new tab)
- CVE-2020-25643 NVD CVE-2020-25643 (opens in a new tab)
- CVE-2017-13084 NVD CVE-2017-13084 (opens in a new tab)
- CVE-2017-13086 NVD CVE-2017-13086 (opens in a new tab)
- CVE-2019-16275 NVD CVE-2019-16275 (opens in a new tab)
- CVE-2019-9494 NVD CVE-2019-9494 (opens in a new tab)
- CVE-2019-11555 NVD CVE-2019-11555 (opens in a new tab)
- CVE-2021-30004 NVD CVE-2021-30004 (opens in a new tab)
- CVE-2015-8041 NVD CVE-2015-8041 (opens in a new tab)
- CVE-2019-9495 NVD CVE-2019-9495 (opens in a new tab)
- CVE-2020-11810 NVD CVE-2020-11810 (opens in a new tab)
Firmware 3.0.0.4.386.23012 or later
Source: asus.com (opens in a new tab) · checked November 13, 2026
- CVE-2020-25681 NVD CVE-2020-25681 (opens in a new tab)
- CVE-2020-25682 NVD CVE-2020-25682 (opens in a new tab)
- CVE-2020-25687 NVD CVE-2020-25687 (opens in a new tab)
- CVE-2020-25683 NVD CVE-2020-25683 (opens in a new tab)
- CVE-2020-25686 NVD CVE-2020-25686 (opens in a new tab)
- CVE-2020-25684 NVD CVE-2020-25684 (opens in a new tab)
- CVE-2020-25685 NVD CVE-2020-25685 (opens in a new tab)
Sources
- ASUS (opens in a new tab) End-of-support listlast verified November 13, 2026
- ASUS (opens in a new tab) Firmware downloadslast verified October 15, 2026
- ASUS Support page 2025-12-31 (opens in a new tab) Support page 2025-12-31last verified October 14, 2026
- ASUS Support page 2025-02-28 (opens in a new tab) Support page 2025-02-28last verified October 14, 2026
- Vulnerability data: vendor security bulletins, CISA Known Exploited Vulnerabilities catalog, NVD, FIRST EPSSas of November 13, 2026 · Data sources
Replacements
Among routers still getting updatesAs an Amazon Associate I earn from qualifying purchases.
As a Coupang Partners participant, I earn a commission on purchases made through these links.
Until you replace it
- Check that firmware 3.0.0.4.388_33812 or later is installed.
- Turn off remote (WAN) management, WPS and UPnP.
- Change the admin and Wi-Fi passwords.
- Check the vendor page in case a final firmware is listed.
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