Archer C5400X (v1)
Likely ended (estimate)
Security updates likely ended . last update September 2025
Minimum support period for the UK: the maker promised security updates for products sold in the UK until at least December 4, 2025. That minimum has passed; it was not an announced end date.
The maker discontinued this model in the US on May 17, 2023. The maker’s policy says security updates usually end 3 years after discontinuation, so I estimate the end at May 2026. TP-Link end-of-life policy (opens in a new tab)
Dates and sources
Dates and sources
The maker hasn’t announced an end date for this model. Its policy says security updates usually end 3 years after discontinuation, which for this model would be May 2026. No update has come out since then, so I estimate support has ended.
SourceTP-Link · calculated by us from the maker’s data (opens in a new tab)checked November 13, 2026
Key dates
- Release
- May 2018 · estimateHow I calculated it: The first firmware TP-Link's US download page lists for this hardware version is Archer C5400X(US)_V1_180327, published 2018-05-11 and marked as the first firmware released. Its month is used as the launch month; the model may have gone on sale shortly before. TP-Link's later press release (dated 2018-09-06) said it was available.
- Last update
- September 30, 2025 · version 1.2.1 Build 20250928
- Estimated end
- May 2026 · estimate
- Minimum support for the UK
- December 4, 2025 · vendor notice
- Discontinued in the US
- May 17, 2023
SourceTP-Link (opens in a new tab)checked November 13, 2026
Firmware updates
Updates I found on the maker’s pages, from May 2018 to September 2025. I read the notes of 9 of these updates and found security changes in 5.
- 1.2.1 Build 20250928 Security, new features or improvements
- 240924 Security
- 1.1.7 Security
- 1.1.6 Bug fixes
- 1.1.5 Bug fixes
5 more
- 1.1.4 Security, bug fixes, new features or improvements
- 211222
- 191223 Security, bug fixes, new features or improvements · 1 vulnerability ID (opens in a new tab)
- 180904 Bug fixes, new features or improvements
- 180327 New features or improvements
Record
Last advisory with a fix: 1 fixed
TP-Link Archer C5400X (v1) firmware 1.1.7 Build 20240510 · checked November 13, 2026
- as of
Fixes received: estimated 2
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 211222 or later
Source: tp-link.com (opens in a new tab) · checked November 13, 2026
- CVE-2021-45608 NVD CVE-2021-45608 (opens in a new tab)
Firmware 191223 or later
Source: tp-link.com (opens in a new tab) · checked November 13, 2026
- CVE-2017-14491 NVD CVE-2017-14491 (opens in a new tab)
Sources
- TP-Link (opens in a new tab) End-of-sale listlast verified November 13, 2026
- TP-Link (opens in a new tab) End-of-support listlast verified October 26, 2026
- TP-Link (opens in a new tab) Firmware downloadslast verified October 15, 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
- If the maker’s support page has a newer update, install it. TP-Link end-of-life policy (opens in a new tab)
- Check that firmware 1.2.1 Build 20250928 or later is installed.
- Turn off remote (WAN) management, WPS and UPnP.
- Change the admin and Wi-Fi passwords.
Other TP-Link routers
| Model | End | |
|---|---|---|
| Ended · 2 | ||
| Archer C50 (v5), ended 5 months ago, Estimate · Released 2018-11 | ||
| Archer C50 (v4), ended 1 year 9 months ago, Estimate · Released 2018-01 | ||
| Likely ended · 1 | ||
| Archer A10 (v1) · Released 2018-12 | ||
| No end date · 5 | ||
| Archer A6 (v2), 2 years 4 months left, Estimate · Released 2018-12 | ||
| Archer A7 (v5), 6 months left, Estimate · Released 2018-05 | ||
| Archer AX6000 (v1), 1 year 1 month left, Estimate · Released 2018-12 | ||
| Archer C6 (v2), 3 years 3 months left, Estimate · Released 2018-08 | ||
| Archer C7 (v5), 1 year left, Estimate · Released 2017-12 | ||
53 more
| Model | End | |
|---|---|---|
| Ended · 3 | ||
| Archer C50 (v5), ended 5 months ago, Estimate · Released 2018-11 | ||
| Archer C50 (v4), ended 1 year 9 months ago, Estimate · Released 2018-01 | ||
| Archer C50 (v3), ended 4 years 4 months ago, Estimate · Released 2017-02 | ||
| Likely ended · 9 | ||
| Archer C7 (v4) · Released 2017-03 | ||
| Archer A10 (v2) · Released 2020-05 | ||
| Deco X20 (v1) · Released 2020-03 | ||
| Archer A9 (v6) · Released 2019-01 | ||
| Archer C1200 (v3) · Released 2017-02 | ||
| Archer A10 (v1) · Released 2018-12 | ||
| Archer AX20 (v1) · Released 2020-01 | ||
| Archer C9 (v5) · Released 2017-08 | ||
| Archer C9 (v3) · Released 2016-07 | ||
| No end date · 49 | ||
| Archer A6 (v2), 2 years 4 months left, Estimate · Released 2018-12 | ||
| Archer A6 (v3), 2 years 4 months left, Estimate · Released 2020-08 | ||
| Archer A6 (v4), 3 years 3 months left, Estimate · Released 2022-07 | ||
| Archer A7 (v5), 6 months left, Estimate · Released 2018-05 | ||
| Archer A8 (v1), 2 years 2 months left, Estimate · Released 2020-03 | ||
| Archer AX10 (v1), 6 months left, Estimate · Released 2019-08 | ||
| Archer AX10 (v2), 2 years 6 months left, Estimate · Released 2022-09 | ||
| Archer AX20 (v1.20), 6 months left, Estimate · Released 2020-04 | ||
| Archer AX21 (v1.20), 6 months left, Estimate · Released 2020-06 | ||
| Archer AX21 (v2), 6 months left, Estimate · Released 2020-12 | ||
| Archer AX21 (v3), 1 year left, Estimate · Released 2021-12 | ||
| Archer AX21 (v4.6), 3 years 3 months left, Estimate · Released 2023-06 | ||
| Archer AX50 (v1), 6 months left, Estimate · Released 2019-08 | ||
| Archer AX55 (v1), 3 years 1 month left, Estimate · Released 2021-06 | ||
| Archer AX55 (v4), 1 year 2 months left, Estimate | ||
| Archer AX55 Pro (v1), 3 years 1 month left, Estimate · Released 2022-10 | ||
| Archer AX73 (v1), 1 year 8 months left, Estimate · Released 2020-09 | ||
| Archer AX75 (v1), 6 months left, Estimate · Released 2021-12 | ||
| Archer AX80 (v1), 2 years 7 months left, Estimate · Released 2022-12 | ||
| Archer AX90 (v1), 1 year 4 months left, Estimate · Released 2020-04 | ||
| Archer AX3000 (v1), 5 months left, Estimate · Released 2019-08 | ||
| Archer AX6000 (v1), 1 year 1 month left, Estimate · Released 2018-12 | ||
| Archer AX11000 (v1), 2 years 2 months left, Estimate · Released 2019-01 | ||
| Archer AXE75 (v1), 3 years 1 month left, Estimate · Released 2022-01 | ||
| Archer BE230 (v1), 3 years 3 months left, Estimate · Released 2024-05 | ||
| Archer BE550 (v1), 3 years 3 months left, Estimate · Released 2023-07 | ||
| Archer BE800 (v1), 3 years 3 months left, Estimate · Released 2023-04 | ||
| Archer BE900 (v1), 3 years 3 months left, Estimate · Released 2023-02 | ||
| Archer C6 (v2), 3 years 3 months left, Estimate · Released 2018-08 | ||
| Archer C7 (v2), 11 months left, Estimate · Released 2013-12 | ||
| Archer C7 (v5), 1 year left, Estimate · Released 2017-12 | ||
| Archer C80 (v1), 5 months left, Estimate · Released 2019-12 | ||
| Archer C80 (v2), 3 years 1 month left, Estimate · Released 2022-08 | ||
| Archer C2300 (v2), 4 months left, Estimate · Released 2020-07 | ||
| Archer C4000 (v3), 1 year 8 months left, Estimate | ||
| Archer GX90 (v1), 2 years 8 months left, Estimate · Released 2020-04 | ||
| Deco BE63 (v1.6), 1 year 7 months left, Estimate · Released 2023-09 | ||
| Deco BE65 (v1), 3 years 4 months left, Estimate · Released 2023-09 | ||
| Deco BE85 (v2.6), 2 years 10 months left, Estimate · Released 2023-03 | ||
| Deco M4 (v2), 3 years 1 month left, Estimate · Released 2019-08 | ||
| Deco M5 (v2), 2 years 4 months left, Estimate | ||
| Deco M5 (v3), 2 years 4 months left, Estimate | ||
| Deco S4 (v2), 3 years 1 month left, Estimate · Released 2019-12 | ||
| Deco X20 (v4), 3 years 1 month left, Estimate | ||
| Deco X50 (v1), 3 years 1 month left, Estimate · Released 2021-09 | ||
| Deco X55 (v1), 3 years 1 month left, Estimate | ||
| Deco X60 (v3), 3 years 1 month left, Estimate · Released 2021-03 | ||
| Deco X90 (v1), 2 years 1 month left, Estimate · Released 2020-04 | ||
| Deco XE75 (v1), 3 years 1 month left, Estimate · Released 2022-02 | ||