Device Support-Lifespan Observatory

What vendors do, not what they announce.

ASUS

RT_AC66U_B1

Gone quiet thin evidence

no firmware for long enough to stand out against its own record

1749 days of silence, past the 730-day floor that applies where there is no cadence to compare against

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Last firmware
16 December 2021 (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

Firmware history

  1. 3.0.0.4.386.45987 16 December 2021

    Cites CVE-2021-41435, CVE-2021-41436

    Release notes — disclosure 0.99
    1. Fixed Let's encrypt related bugs. 2. Fixed httpd vulnerability 3. Fixed stack overflow vulnerability 4. Fixed DoS vulnerabilityThanks for the contribution of Fans0n、le3d1ng、Mwen、daliy yang from 360 Future Security Labs5. Fixed AiMesh web page multi-language issues.6. Fixed Stored XSS vulnerability.7. Fixed CVE-2021-41435, CVE-2021-41436.Thanks to Efstratios Chatzoglou, University of the AegeanGeorgios Kambourakis, European Commission at the European Joint Research CentreConstantinos Kolias, University of Idaho.8. Fixed Stack overflow vulnerability. Thanks to Jixing Wang (@chamd5) contribution.9. Fixed information disclosure vulnerability .Thanks to CataLpa from DBappSecurity Co.,Ltd Hatlab and 360 Alpha Lab contribution.10.Fixed XSS vulnerability11.Fixed SQL injection vulnerability12.Fixed PLC path traversal vulnerability13.Fixed Stack overflow vulnerability Thanks to HP of Cyber Kunlun Lab

Evidence

One archived page sits behind this record, the earliest read on 2 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 RT_AC66U_B1

Judged by lifecycle-1 on 30 September 2026. How these verdicts are computed.

Machine-readable: JSON · RSS