Archer A20 v3
Gone quiet thin evidence
no firmware for long enough to stand out against its own record
2493 days of silence, past the 730-day floor that applies where there is no cadence to compare against
- Last firmware
- 2 December 2019 (7 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 A20 v1 (US) Actively updated 5 releases
- Archer A20 v3.6 (US) Gone quiet 4 releases
Firmware history
-
Archer A20(US)_V3_191026 2 December 2019
Release notes — disclosure 0.61
New Features/Enhancement: 1. Optimized the QoS function; 2. Optimized the DHCP function; 3. Supported the smart connect; 4. Optimized the HomeCare function. Bug fixed: 1. Fixed the bug that when the length of the password entered in the login screen exceeds 32 bits, the excess part will be discarded; 2. Fixed the bug that web page system management password change related input box lack of display password function; 3. Fixed the bug that when changing a password in Administration, there is no password setting rule prompt; 4. Fixed the bug that Panasonic devices cannot find the paired device in the LAN network;
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 A20
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.