ZenWiFi Pro ET12

Firmware history

1. 3.0.0.6.102_37457 29 July 2026

   Release notes — disclosure 0.39

   Bug Fixes and Enhancements- Improved network connectivity and stability after reboot or firmware upgrade in certain situations.- Improved IPv6 connection stability in some environments.- Improved compatibility for specific IPTV and WAN configuration scenarios.- Improved guest network setting behavior in certain situations.Security Fixes- Addressed multiple security issues in system services and web components.- Improved protection for authentication, configuration handling, file access control, and command processing paths.- Strengthened security for internal components.

   Archived page, fetched 29 September 2026

2. 3.0.0.6.102_36698 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. 3.0.0.6.102_36697 16 March 2026

   Release notes — disclosure 0.31

   Security:Strengthened input sanitization mechanism

   Archived page, fetched 29 September 2026

4. 3.0.0.6.102_36629 9 September 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 10 characters with at least 1 letter, 1 digit and 1 special symbol, and no consecutive identical characters; hardens defence 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

5. 3.0.0.6.102_36602 5 May 2025

   Release notes — disclosure 0.31

   Improved compatibility with certain IoT devices.

   Archived page, fetched 29 September 2026

6. 3.0.0.6.102_36597 17 April 2025

   Release notes — disclosure 0.61

   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.5. Improved system stability and security by fixing a kernel integrity validation issue.*Do NOT downgrade the firmware on any mesh device (router or node).Due to enhanced security mechanisms, both the router and node must be upgraded together. Downgrading may result in a mismatch of security protocols between devices, causing the mesh connection to fail.

   Archived page, fetched 29 September 2026

7. 3.0.0.4.388_24610 8 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

8. 3.0.0.4.388_24585 27 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

9. 9.0.0.6.102.4856 21 March 2023

   Release notes — disclosure 0.62

   Be noted: This is an early stage beta, there might be bugs. This version can be downgraded via web GUI only.1. Recap new features of 3.0.0.6.102: Guest network Pro(SDN), VLAN, Auto USB WAN backup, iPhone tethering, Multi-services WAN.2. Re-defined VLAN, supports Trunk, Access mode with VLAN-only-network.3. Synchronize Guest network pro (SDN) with VLAN, create/delete new VLAN-only-network will create/delete a new profile in Guest network as well.4. Port isolation and AP isolation to restrict device access to each other.5. Re-defined multi-service WAN, disable it by default. 6. Add surfshark VPN in VPN fusion.

   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 Pro ET12

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

Machine-readable: JSON · RSS