Archer C4000 v2
Gone quiet thin evidence
no firmware for long enough to stand out against its own record
1716 days of silence, past the 730-day floor that applies where there is no cadence to compare against
- Last firmware
- 18 January 2022 (5 years ago)
- Releases seen
- 1
- Update rhythm
- too few releases to model
- Support observed
- —
- 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.
- Archer C4000 v2 (US) Actively updated 5 releases
- Archer C4000 v3 (US) Gone quiet 7 releases
Firmware history
-
Archer C4000_V2_220114 18 January 2022
Release notes — disclosure 0.31
Release note： Fixed a NetUSB-protocol vulnerability.
Archived page, fetched 29 September 2026
Evidence
One archived page sits behind this record, the earliest read on 25 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 C4000
Judged by lifecycle-1 on 30 September 2026.
How these verdicts are computed.