Archer C4000 v2
Actively updated well evidenced
firmware is arriving about as often as it always has
365 days since the last release against a median gap of 638 (0.6x)
- Last firmware
- 30 September 2025 (1 year ago)
- Releases seen
- 5
- Update rhythm
- about every 2 years
- Support observed
- ≥7 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 C4000 v2 Gone quiet 1 releases
- Archer C4000 v3 (US) Gone quiet 7 releases
Firmware history
-
Archer C4000(US)_V2_1.2.1 Build 20250919 30 September 2025
Release notes — disclosure 0.52
New Features/Enhancement: 1. Supported more parental control functions, including SafeSearch, YouTube Restricted, APP Time Limits, Always Allowed APPs, Offtime, etc. 2. Enhanced Web Filter, enriched visited/block history and optimized Blocked APPs for parental control. 3. Optimized QoS. 4. Enhanced security of device.
Archived page, fetched 29 September 2026
-
Archer C4000(US)_V2_1.1.5 Build 20231010 8 November 2023
Release notes — disclosure 0.32
Bug Fixed: Fixed a display bug when accessing the web UI on mobile devices.
Archived page, fetched 29 September 2026
-
Archer C4000(US)_V2_1.1.4 Build 20230907 15 September 2023
Release notes — disclosure 0.41
Bug Fixed: 1. Fixed some security issues. 2. Fixed the bug that parental control doesn't take effect.
Archived page, fetched 29 September 2026
-
Archer C4000(US)_V2_190827 28 November 2019
Release notes — disclosure 0.58
New Features/Enhancements: 1. Improved the stability and performance of the device; 2. Optimized the bed time of parental control; 3. Improved portal function; 4. Optimized Qos function. Bug fixed: 1. Fixed the bug that office files can't be edited normally through Samba path; 2. Fixed the bug that sometimes the router can't scan USB disk normally; 3. Fixed the bug that the wireless network may become unstable under L2TP dialing type; 4. Fixed the bug that sometimes homecare module affects the performance of the device.
Archived page, fetched 29 September 2026
-
Archer C4000(US)_V2_180322 23 April 2018
Release notes — disclosure 0.30
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 C4000
Judged by lifecycle-1 on 30 September 2026.
How these verdicts are computed.