Device Support-Lifespan Observatory

What vendors do, not what they announce.

ASUS

ZenWiFi XD5

Actively updated well evidenced

firmware is arriving about as often as it always has

57 days since the last release against a median gap of 100 (0.6x)

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Last firmware
4 August 2026 (2 months ago)
Releases seen
7
Update rhythm
about every 3 months
Support observed
≥2 years
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_24166 4 August 2026

    Release notes — disclosure 0.45 
    Security Fixes- Strengthened data handling in Networks configuration functions.- Improved data validation in Networks rule list processing.- Fixed a data-handling issue in the DNS query caching component.- Strengthened verification when a software component downloads - external resources, improving connection security.- Adjusted the information response mechanism of the device discovery service, strengthening protection of device information.- Fixed a data-handling issue in a firmware component on a specific model.- Improved data-display handling in a web function to enhance browsing security.- Strengthened input data validation in a device-pairing web function.- Improved data validation in the configuration file upload/sync function.- Improved how the account service restart process is handled.- Removed a non-essential internal function endpoint, strengthening overall access control.- Adjusted the debug file access mechanism, strengthening protection of internal data.- Strengthened data handling in the system logging function.We recommend upgrading to this version to maintain optimal protection.

    Archived page, fetched 29 September 2026

  2. 3.0.0.4.388_24134 15 May 2026

    Release notes — disclosure 0.35 
    Security Fixes- Enhanced DNS name handling to address a potential memory issue that could occur in rare cases during name format conversion, improving system security and robustness.- Improved safeguards for execution modules to reduce the risk of substitution during certain processes.

    Archived page, fetched 29 September 2026

  3. 3.0.0.4.388_24095 17 October 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

  4. 3.0.0.4.388_24022 21 April 2025

    Release notes — disclosure 0.31 
    Improved compatibility with certain IoT devices.

    Archived page, fetched 29 September 2026

  5. 3.0.0.4.388_24021 13 March 2025

    Release notes — disclosure 0.49 
    1. Fixed the UI issue in Chrome.2. Fixed client binding issues in Mesh scenarios.3. Enhanced input parameter handling techniques to improve data processing stability and system security.4. Enhance system access control mechanisms.

    Archived page, fetched 29 September 2026

  6. 3.0.0.4.388_24011 13 November 2024

    Release notes — disclosure 0.58 
    1. Strengthened input validation and data processing workflows to further protect information security.2. Enhanced AiCloud password protection mechanisms, safeguarding against unauthorized access attempts.3. Enhanced device security through improved buffer handling in connection features.4. Refined data handling processes, ensuring secure and accurate information management.5. Enhanced file access control mechanisms, promoting a more secure operating environment.6. Strengthened certificate protection, providing enhanced data security.

    Archived page, fetched 29 September 2026

  7. 3.0.0.4.388_23988 8 October 2024

    Release notes — disclosure 0.57 
    1. Optimized memory management mechanisms, improving system efficiency and stability.2. Strengthened input validation and data processing workflows, further protecting your information security.3. Improved web rendering engine, enhancing browsing experience and security.4. Enhanced security of system command processing to guard against potential malicious operations.5. Perfected JavaScript-related security mechanisms, offering a more secure web interaction environment.

    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 ZenWiFi XD5

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

Machine-readable: JSON · RSS