ZenWiFi ET9
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 129 (1.0x)
- 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
Firmware history
-
3.0.0.4.388_25306 22 May 2026
Release notes — disclosure 0.36
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
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3.0.0.4.388_25265 29 October 2025
Release notes — disclosure 0.41
- 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
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3.0.0.4.388_25215 14 May 2025
Release notes — disclosure 0.32
- Improved compatibility with certain IoT devices.- Optimized the app’s remote access capabilities for a smoother and more reliable connection.
Archived page, fetched 29 September 2026
-
3.0.0.4.388_25160 28 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
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3.0.0.4.388_25146 19 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
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3.0.0.4.388_24829 25 September 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 ET9
Judged by lifecycle-1 on 30 September 2026.
How these verdicts are computed.