Device Support-Lifespan Observatory

What vendors do, not what they announce.

ASUS

RT-AX52 Pro

Slowing down reasonably evidenced

updates are coming less often than this product's own history

194 days since the last release against a median gap of 108 (1.8x)

Sign in to be emailed when this verdict changes.
Last firmware
20 March 2026 (6 months ago)
Releases seen
4
Update rhythm
about every 4 months
Support observed
≥10 months
Vendor's promise
no support period we can evaluate
Patch latency
not measurable — its changelogs name no CVE ids

Firmware history

  1. 3.0.0.4.388_34015 20 March 2026

    Release notes — disclosure 0.34 
    Security Enhancements:- Strengthened input sanitization mechanism.- Enhanced system API validation for stronger protection consistency.- Strengthened command handling and system resource access controls.- Improved system logging and security event recording mechanisms.

    Archived page, fetched 29 September 2026

  2. 3.0.0.4.388_33965 2 December 2025

    Release notes — disclosure 0.37 
    - Enhanced system stability.- Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.- Implemented comprehensive validation and expanded command filtering in the web history API.- Strengthened input validation and directory handling in the VPN configuration upload interface.- Fixed an issue that allowed certain user settings to be bypassed, improving overall user control and protection.

    Archived page, fetched 29 September 2026

  3. 3.0.0.4.388_33950 25 August 2025

    Release notes — disclosure 0.45 
    Important: After installing this firmware, we strongly recommend performing a factory-default reset to activate every new security adjustment.Security Enhancements- Password Policy Upgrade – Minimum of 10 characters, including at least one letter, one digit, and one special character; disallows consecutive identical characters; hardens defense against brute-force attacks.- HTTPS on 8443 – Management interface now served over TLS by default.- UPnP Disabled – Universal Plug and Play starts in the off state for reduced surface exposure.- Authentication Logic Refactor – Removed redundant code paths for a lean sign-in flow.- Memory Safety Guard (CWE-476) – Introduced null-reference protections across critical services.- Enhanced IPsec Parameter Validation – The existing input checks have been hardened.- Data Exposure Mitigation (CWE-200) – Reinforced controls on sensitive pathways.- Detailed Audit Trails – Expanded logging within the authentication module.System Improvements- Connection Stability – Core algorithms refined for steadier links.- Scheduling Accuracy – Timed tasks execute reliably under PPPoE, PPTP and L2TP WAN modes.- Client List Maintenance – Resolved an issue that prevented offline devices from being removed from the client list

    Archived page, fetched 29 September 2026

  4. 3.0.0.4.388_33911 5 May 2025

    Release notes — disclosure 0.31 
    Fixed the IPTV compatibility issue for Now TV.

    Archived page, fetched 29 September 2026

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-AX52 Pro

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

Machine-readable: JSON · RSS