RT-AX86S
Ended
Security updates ended . Ended November 2026 · estimate
The maker no longer promises fixes for newly found security problems on this model.
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 November 10, 2026
Key dates
- Release
- By June 2021 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
- November 9, 2026 · version 3.0.0.4.388_24447
- End of support
- November 2026 · estimateThe maker gives no date: this is the month of the last update.
- 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 June 2021 to November 2026. I read the notes of 21 of these updates and found security changes in 17.
- 3.0.0.4.388_24447 Bug fixes
- 3.0.0.4.388_24437
- 3.0.0.4.388_24436 Security
- 3.0.0.4.388_24401 Security, bug fixes, new features or improvements
- 3.0.0.4.388_24386 Security, bug fixes, new features or improvements
17 more
- 3.0.0.4.388_24339 New features or improvements
- 3.0.0.4.388_24338 Security, bug fixes, new features or improvements
- 3.0.0.4.388_24323 Security
- 3.0.0.4.388_24243 Security, bug fixes · 3 vulnerability IDs (opens in a new tab)
- 3.0.0.4.388_24231 Security, bug fixes, new features or improvements
- 3.0.0.4.388.23285 Security, bug fixes, new features or improvements · 4 vulnerability IDs (opens in a new tab)
- 3.0.0.4.388.22525 Security, bug fixes, new features or improvements · 1 vulnerability ID (opens in a new tab)
- 3.0.0.4.388.22068 Security, bug fixes, new features or improvements
- 3.0.0.4.388.21709 Security, bug fixes, new features or improvements · 2 vulnerability IDs (opens in a new tab)
- 3.0.0.4.388.20566 Security, bug fixes, new features or improvements · 1 vulnerability ID (opens in a new tab)
7 more
- 3.0.0.4.386.49599
- 3.0.0.4.386.49447 Security, bug fixes, new features or improvements · 10 vulnerability IDs (opens in a new tab)
- 3.0.0.4.386.46061 Security, bug fixes, new features or improvements
- 3.0.0.4.386.45934 Security, bug fixes
- 3.0.0.4.386.45898 Security, bug fixes · 2 vulnerability IDs (opens in a new tab)
- 3.0.0.4.386.45375 Security, bug fixes · 32 vulnerability IDs (opens in a new tab)
- 3.0.0.4.386.44130 Bug fixes, new features or improvements
Record
Last advisory with a fix: 3 fixed
ASUS RT-AX86S firmware 3.0.0.4.388_24243 · checked November 13, 2026
- as of
Fixes received: estimated 42
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 3.0.0.4.386.49447 or later
Source: asus.com (opens in a new tab) · checked November 13, 2026
- CVE-2022-26376 NVD CVE-2022-26376 (opens in a new tab)
- CVE-2022-25597 NVD CVE-2022-25597 (opens in a new tab)
- CVE-2022-25596 NVD CVE-2022-25596 (opens in a new tab)
- CVE-2022-23973 NVD CVE-2022-23973 (opens in a new tab)
- CVE-2022-23972 NVD CVE-2022-23972 (opens in a new tab)
- CVE-2022-23971 NVD CVE-2022-23971 (opens in a new tab)
- CVE-2022-23970 NVD CVE-2022-23970 (opens in a new tab)
- CVE-2022-0778 NVD CVE-2022-0778 (opens in a new tab)
- CVE-2022-25595 NVD CVE-2022-25595 (opens in a new tab)
- CVE-2021-34174 NVD CVE-2021-34174 (opens in a new tab)
Firmware 3.0.0.4.386.45898 or later
Source: asus.com (opens in a new tab) · checked November 13, 2026
- CVE-2021-41435 NVD CVE-2021-41435 (opens in a new tab)
- CVE-2021-41436 NVD CVE-2021-41436 (opens in a new tab)
Firmware 3.0.0.4.386.45375 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)
Sources
- ASUS (opens in a new tab) End-of-support listlast verified November 13, 2026
- ASUS Firmware downloads 3.0.0.4.388_24447 (opens in a new tab) Firmware downloads 3.0.0.4.388_24447last verified November 10, 2026
- ASUS Firmware downloads 3.0.0.4.388_24401 (opens in a new tab) Firmware downloads 3.0.0.4.388_24401last verified October 15, 2026
- ASUS (opens in a new tab) Support pagelast 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_24447 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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