Deco X20 v1.26
Slowing down reasonably evidenced
updates are coming less often than this product's own history
366 days since the last release against a median gap of 366 (1.0x) — but a year without firmware is not active whatever the cadence
- Last firmware
- 28 September 2025 (1 year ago)
- Releases seen
- 3
- Update rhythm
- about every 1 year
- Support observed
- ≥2 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.
- Deco X20 v1 (US) Gone quiet 12 releases
- Deco X20 v1.2 (US) Slowing down 7 releases
- Deco X20 v1.6 (US) Not enough evidence 2 releases
- Deco X20 v2 (US) Gone quiet 15 releases
- Deco X20 v2.6 (US) Slowing down 8 releases
- Deco X20 v3 (US) Actively updated 14 releases
- Deco X20 v3.26 (US) Gone quiet 1 releases
- Deco X20 v3.6 (US) Actively updated 13 releases
- Deco X20 v4 (US) Slowing down 8 releases
- Deco X20 v4.6 (US) Slowing down 6 releases
- Deco X20 v5 (US) Not enough evidence 1 releases
- Deco X20 v5.6 (US) Not enough evidence 2 releases
Firmware history
-
Deco X20(US)_V1.26_1.6.1 Build 20250910 28 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. Enhanced security functions of device. 4. Optimized QoS.
Archived page, fetched 29 September 2026
-
Deco X20(US)_V1.26_1.5.3 Build 20231227 4 February 2024
Release notes — disclosure 0.06
Fixed some security vulnerabilities.
Archived page, fetched 29 September 2026
-
Deco X20(US)_V1.26_1.5.2 Build 20230908 27 September 2023
Release notes — disclosure 0.06
Modifications and Bug Fixes: Optimized Parental Control feature.
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 Deco X20
Judged by lifecycle-1 on 29 September 2026.
How these verdicts are computed.