Archer C9 v4
Gone quiet reasonably evidenced
no firmware for long enough to stand out against its own record
1511 days since the last release against a median gap of 1048 (1.4x) — but 1511 days without firmware is quiet whatever the cadence
- Last firmware
- 10 August 2022 (4 years ago)
- Releases seen
- 3
- Update rhythm
- about every 3 years
- Support observed
- ≥6 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.
- Archer C9 v1 (US) Gone quiet 3 releases
- Archer C9 v3 (US) Gone quiet 4 releases
- Archer C9 v5 (US) Gone quiet 5 releases
Firmware history
-
Archer C9(US)_V4_1.0.2 Build 20220505 10 August 2022
Release notes — disclosure 0.40
Modifications and Bug Fixes: 1. Updating cloud Services. 2. Enhance device security.
Archived page, fetched 29 September 2026
-
Archer C9(US)_V4_171219 24 February 2018
Release notes — disclosure 0.34
New Features/Enhancement 1.Support SMBv2 Bug Fixed 1.Fixed the WPA2 Security (KRACKs) Vulnerability 2.Fixed the WME IE Security Vulnerability 3.Fixed the bug that USB3.0 port cannot identify 8TB HUB HDD
Archived page, fetched 29 September 2026
-
Archer C9(US)_V4_161114 14 November 2016
Release notes — disclosure 0.06
Modifications and Bug Fixes: The first firmware released.
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 C9
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.