Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

Archer C54 v1

Gone quiet reasonably evidenced

no firmware for long enough to stand out against its own record

1118 days since the last release against a median gap of 48 (23.5x)

Sign in to be emailed when this verdict changes.
Last firmware
8 September 2023 (3 years ago)
Releases seen
7
Update rhythm
about every 2 months
Support observed
≥3 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. Archer C54(US)_V1_1.12.20 Build 230608 8 September 2023

    Release notes — disclosure 0.50 
    Modifications: Enhanced device stability. Bug Fixed: 1.Fixed several UI bugs. 2.Fixed a bug related to The DHCP lease renewal process. 3.Fixed a compatibility bug with certain intel network cards. 4.Fixed the bug that the pin doesn't work under certain scenarios.

    Archived page, fetched 29 September 2026

  2. Archer C54(US)_V1_1.12.20 Build 230608_SG 30 August 2023

    Release notes — disclosure 0.65 
    Modifications: 1.Enhanced device security. 2.Optimized the web UI. 3.Added the support for PPTP Passthrough, L2TP Passthrough and IPSec Passthrough to ALG. 4.Added HTTP Referer Head Check. 5.Added the support of the range port of on the port forwarding. 6.Added CWMP function. 7.Fixed the bug that settings of DHCP server reset after reboot 8.Fixed the bug that some wireless clients behind extender are incorrectly identified as wired in client list. 9.Fixed the bug that Network generates loops under specific scenarios. 10.Fixed a compatibility bug with certain intel network cards. 11.Fixed the bug that port forwarding could not add UDP entries for port 1701. 12.Fixed the bug that the pin doesn't work under certain scenarios. 13.fixed several UI bugs.

    Archived page, fetched 29 September 2026

  3. Archer C54(US)_V1_1.12.1 Build 230308 7 August 2023

    Release notes — disclosure 0.30 
    Modification: Added CWMP.

    Archived page, fetched 29 September 2026

  4. Archer C54(US)_V1_1.12.0 Build 221216 7 February 2023

    Release notes — disclosure 0.58 
    Modifications: 1. Added HTTP Referer Head Check; 2. Added the support of the PPTP Passthrough, L2TP Passthrough, and IPSec Passthrough; 3. Added the support of the range port of on the port forwarding; 4. Added Schedule function in QoS; 5. Updated the ISP IPTV profile; 6. Optimized clients list; 7. Enhanced device security; 8. Divided support option into feedback and support center; 9. Fixed some bugs.

    Archived page, fetched 29 September 2026

  5. Archer C54(US)_V1_201027 11 November 2020

    Release notes — disclosure 0.44 
    Modifications and Bug Fixes 1. Fixed the bug that some notes may occur garbled problem on the specific condition. 2. Fixed the bug that the non-UTF encoding of the client name leads to an infinite refresh to the login page problem.

    Archived page, fetched 29 September 2026

  6. Archer C54(US)_V1_20080 31 August 2020

    Release notes — disclosure 0.34 
    Modifications and Bug Fixes 1. Improved the connection stability on 5GHz. 2. Fixed some vulnerabilities.

    Archived page, fetched 29 September 2026

  7. Archer C54(US)_V1_200722 21 August 2020

    Release notes — disclosure 0.31 
    First firmware releases for Archer C54 US V1.

    Archived page, fetched 29 September 2026

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 Archer C54

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

Machine-readable: JSON · RSS