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Release Asuswrt-Merlin 3004.388.7 is now available

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Asuswrt-Merlin dev
Asuswrt-Merlin 3004.388.7 is now available for all supported Wifi 6 models.

Changes since last release:

3004.388.7 (26-Apr-2024)
  - NOTE: RT-AX56U is exceptionally included in this release.

  - NEW: IGD2 support for UPNP/PCP.  This will allow IPv6 pinhole
         support for clients.  It must be enabled on the WAN
         page.  Existing pinholes will be listed on the
         System Log -> IPV6 page.

         Note that IGDv2 has compatibility issues with various
         clients that do not properly follow the standard.
  - UPDATED: Openvpn to 2.6.10.
  - UPDATED: wsdd2 to 2023-12-21 snapshot.
  - UPDATED: miniupnpd to 2.3.6.
  - UPDATED: wireguard kernel to v1.0.20220627.
  - UPDATED: wireguard tools to 2023-08-04 snapshot.
  - UPDATED: dropbear to 2024.84.
  - UPDATED: strongswan to 5.9.13 (fixes CVE-2023-41913)
  - CHANGED: Hardcoded location of the CA bundle in inadyn, so it
             no longer needs to be manually defined in custom
  - CHANGED: Re-designed Tools->Sysinfo page, adding graphs
             and removing useless content.
  - CHANGED: Updated free memory report on networkmap to also
             consider reclaimable memory as being free (kjbracey)
  - CHANGED: "Prevent client auto DoH" will also prevent the use of
             Apple's iCloud Private Relay.
  - CHANGED: NAT Passthrough page - removed the "Enabled + NAT
             Helper" option as the firewall no longer blocks
             traffic when set to disabled.  This is back to the
             former behaviour, where this setting only controls
             whether or not to load the NAT helper.  You might
             need to readjust that setting if you had previously
             changed it.
  - CHANGED: SIP, RTSP and H323 ALG (NAT helpers) are now
             disabled by default, as these legacy features tend
             to create issues with modern VoIP setups.
             This change will only apply to people doing a
             factory default reset of their router.
  - FIXED: Concurrent cronjob changes through cru could cause
           collisions, leading to missing jobs (dave14305)
  - FIXED: crond would not use the new timezone if it got changed.
  - FIXED: MiniDLNA web interface could only be accessed through an
           IP address (regression in 3004.388.6).
  - FIXED: CVE-2023-5678 & CVE-2024-0727 in openssl (backport from
           Ubuntu by RSDNTWK)
  - FIXED: Long lists on System Log -> Connections tab could result
           in a timeout (Sani Huttunen)
  - REMOVED: Temperature page (charts are now part of the redesigned
             Tools->Sysinfo page).

Please keep discussions on this specific release. The thread will be locked once feedback dies down.

Downloads are here.
Changelog is here.
Known issues:
  • Memory pie chart does not refresh as memory usage changes - a page reload is necessary
Last edited:
Dirty upgrade from 3004.388.6_2, smooth as silk. Thank you!!
Dirty upgrade from 3004_388.7_beta1 on RT-AX86U Pro and everything works as expected.
Thank you Merlin.


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Awww snap! Let's GO!
Well, Im good here.
Both units after a power cycle, one after 10m and another after an 1h.

Thank you, as ALWAYS @RMerlin !
IPv6 pinole (IGVD2) is enabled and no harm is registered here.

Dirty upgrade from v3004.388.6_2 on GT-AX6000

Ni issues to report, working perfectly fine.
The new sysinfo page is just awesome!!!

Thanks for your hard work!
Last edited:
A successful dirty update on my new-to-me RT-AX86U after many years of the same on my long-in-the-tooth, but now-retired, RT-AC68U (converted from a router whose name shall never be spoken ;)). As with each-and-very of the previous dirty updates on the RT-AC68U, this one on my RT-AX86U completed quite flawlessly. Very much liking the reclaimable memory now being reported as free.
Last edited:
Updated across the board here. So far, all good. No issues.
Dirty upgrade from 3004.388.6_2 to 3004.388.7 smoothly.

Thanks for firmware!!
All units updated and running great
AX88U Pro
All good after upgrade!!

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