Device Support-Lifespan Observatory

What vendors do, not what they announce.

ASUS

ZenWiFi ET8 v2

Actively updated well evidenced

firmware is arriving about as often as it always has

131 days since the last release against a median gap of 134 (1.0x)

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Last firmware
22 May 2026 (4 months ago)
Releases seen
6
Update rhythm
about every 4 months
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?

ASUS 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.

Firmware history

  1. 3.0.0.4.388_24970 22 May 2026

    Release notes — disclosure 0.45 
    This version of firmware is only applicable to ZenWiFi ET8 of HW Ver: 2.0, please check the product label before utilizing. You can check the hardware version from the product SN label or box label.Security FixesEnhanced DNS Handling: Improved DNS name processing to address potential memory issues that could occur in rare cases during name format conversion, enhancing system security and robustness.Strengthened Execution Module Safeguards: Improved protections for system execution modules to reduce the risk of unauthorized substitution during specific processes.

    Archived page, fetched 29 September 2026

  2. 3.0.0.4.388_24922 29 October 2025

    Release notes — disclosure 0.50 
    This version of firmware is only applicable to ZenWiFi ET8 of HW Ver: 2.0, please check the product label before utilizing. You can check the hardware version from the product SN label or box label.- Enhanced system stability.- Enhanced input validation and refactored legacy string handling routines to ensure robust memory management.- Addressed multiple security weaknesses in AiCloud service by enforcing strict credential verification, implementing robust file path validation, and hardening command execution logic to prevent unauthorized access and manipulation of system resources.- 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_24863 12 May 2025

    Release notes — disclosure 0.40 
    This version of firmware is only applicable to ZenWiFi ET8 of HW Ver: 2.0, please check the product label before utilizing. You can check the hardware version from the product SN label or box label.Improved compatibility with certain IoT devices.

    Archived page, fetched 29 September 2026

  4. 3.0.0.4.388_24861 28 March 2025

    Release notes — disclosure 0.58 
    This version of firmware is only applicable to ZenWiFi ET8 of HW Ver: 2.0, please check the product label before utilizing. You can check the hardware version from the product SN label or box label.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

  5. 3.0.0.4.388_24848 14 November 2024

    Release notes — disclosure 0.62 
    This version of firmware is only applicable to ZenWiFi ET8 of HW Ver: 2.0, please check the product label before utilizing. You can check the hardware version from the product SN label or box label. 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

  6. 3.0.0.4.388_24832 26 September 2024

    Release notes — disclosure 0.62 
    This version of firmware is only applicable to ZenWiFi ET8 of HW Ver: 2.0, please check the product label before utilizing. You can check the hardware version from the product SN label or box label. 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 ET8

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

Machine-readable: JSON · RSS