Device Support-Lifespan Observatory

What vendors do, not what they announce.

TP-Link

TL-WPA4220 v5.8

Gone quiet thin evidence

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

1387 days of silence, past the 730-day floor that applies where there is no cadence to compare against

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Last firmware
13 December 2022 (4 years ago)
Releases seen
2
Update rhythm
too few releases to model
Support observed
≥5 months
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. TL-WPA4220(US)_V5.8_1.0.11 Build 221123 13 December 2022

    Release notes — disclosure 0.45
    Note: 1. Cannot downgrade to the older version after upgrade to this new version; 2. Enhanced WiFi stability; 3. Optimized the system stability.
  2. TL-WPA4220(US)_V5.8_1.0.0 Build 220613 29 July 2022

    Release notes — disclosure 0.31
    Note: Newly support DHCP server configuration function.

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 TL-WPA4220

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

Machine-readable: JSON · RSS