ASUS DSL-N55U D1 Windows 11 64-bit Drivers
Utilities
ASUS Firmware Restoration version 2.1.0.3 OS support: Windows XP/7/8/8.1/10/11
Firmware Restoration is used on an ASUS Wireless Router that failed during its firmware upgrading process. It uploads the firmware that you specify.
NOTE: This is not a firmware upgrade utility and cannot be used on a working ASUS Wireless Router. Normal firmware upgrades must be done through the web interface. Download
Firmware
ASUS DSL-N55U_D1 Firmware version v1.1.2.3_790 (This product supports both Annex A and Annex B) DSL:
- ADSL WAN (ATM) QIS manual setting list updated, added Lebanon ISP Ogero.
Bug fixes and enhancements:
- Fixed possible invalid Feedback status leads to no logs download link issue(under Feedback sent failure state).
- Fixed Web UI > invalid Android/iOS App icons issue.
- Fine tune Feedback > Diagnostic “No USB disk plug-in” case.
- After Feedback > DSL Line Diagnostic completed, /jffs/ related logs will be cleared to free up space.
- Fine tune Live Update mechanism.
- Fixed failed to work with the OpenVPN profile of Avira issue.
- Fixed pptp client failed to work with ppp-2.4.7 module issue.
- Fixed wrong OpenVPN server state issue.
- OpenVPN server: update default compression to yes.
- Fixed OpenVPN wrong type conversion/ wrong state after client run successfully issue.
- Fixed the problem that PPPoE Username can't use special character '$'.
- Fixed various Web UI related issues.
Security:
- protect_srv: enhanced with lock time backoff. 1) Record each IP address with fail count. 2) Add lock rule for each IP address. 3) Lock all if too many rules at a same time.
Please unzip the firmware file first then check the MD5 code.
MD5: 0686ed9c88700e465c197fe6e98ef29a Download
ASUS DSL-N55U D1 Firmware version v1.1.2.3_674 (This product supports both Annex A and Annex B) Bug fixes and enhancements:
- New input field "ASUS Service No./Case#" added for Feedback form.
- Fixed VoIP service fail issue after Dual WAN fail back occurred.
- Fixed static route rule cannot work if the rule is for second WAN interface issue.
- Removed DSL Modulation > G.DMT mode auto switch function based on data rate observed.
- Fine tune DHCP leases > expire time display format.
- Dual WAN ping target timeout(3 times), changed to 8.8.8.8 instead.
- Fixed Router app failed to prompt for a new version of firmware for update issue.
- Fixed various Web UI related issues.
- Fixed OpenVPN username/ password with special character % failed to work issue.
Security:
- Fixed CVE-2004-0789 (DNS Response Flooding) vulnerability.
- Fixed malformed DNS packet validation.
- Fixed class/type validation , no more IN/A replies to non-IN/A queries.
- Fixed invalid authoritative replies with fake address.
- Added NotImpl reply to non-IN/A queries.
Please unzip the firmware file first then check the MD5 code.
MD5: e3760b1471767e808f5914e0d274201f Download
ASUS DSL-N55U_D1 Firmware version v1.1.2.3_617 (This product supports both Annex A and Annex B) New feature:
- Now supports Feedback > WiFi Diagnostic log capture feature.
DSL:
- Fixed applying wrong DSL setting by wrong attribute issue.
- ADSL WAN (ATM) QIS manual setting list updated.
Add Turkey ISP TTNET, ADSL+IPTV service.
Add Turkey ISP D-Smart Net(Smile ADSL), ADSL+IPTV service.
Add Turkey ISP Doping, ADSL+IPTV service.
Add Turkey ISP Turkcell Superonline, ADSL+IPTV service.
Bug fixes and enhancements:
- Fixed Dual WAN, Primary/ Secondary WAN switching issue.
- Fixed when applying ISP Specific Setting, it failed to take effect issue.
- Fixed ASUS Router app related issue.
- Fixed various UI related issues.
- When Dual WAN is enabld, now at DDNS page could select WAN unit.
Security:
- Fixed WPA2 security vulnerability issue.
- Fixed UI security vulnerability.
Please unzip the firmware file first then check the MD5 code.
MD5: 7adeb536a1208842ffbbf422610216a6 Download
ASUS DSL-N55U_D1 Firmware version v1.1.2.3_552 (This product supports both Annex A and Annex B) DSL:
- Added Country/ ISP - Specific Setting on DSL Settings page(Turk Telekom).
Bug fixes and enhancements:
- Fixed romfile corruption leads to possible system abnormal issue.
- Fixed IPTV configuration issue.
- Fine tune OpenVPN server FAQ link.
- Fixed various Web UI related issues.
- Fixed under VDSL mode, possible 2.4GHz band access leads to system stability issue.
Security:
- Fixed Web UI Command Execution security vulnerability issue, adopted whitelist checking.
Please unzip the firmware file first then check the MD5 code.
MD5: 98e87cf58a8bce0f3b186b7d4dc6ba4d Download
ASUS DSL-N55U_D1 Firmware version v1.1.2.3_502 (This product supports both Annex A and Annex B) Bug fixes and enhancements:
- Fixed possible UI failed to login issue.
- Fixed LAN > LAN IP settings failed to take effect issue.
- Fine tune web server.
- Fixed upload Settings file via IE11 would fail issue.
- Fine tune FAQ link.
- Fine tune QoS default rule list.
- Fixed various UI related issues.
Please unzip the firmware file first then check the MD5 code.
MD5: 63643799639ffd250fa8159ad0574b6d Download
ASUS DSL-N55U_D1 Firmware version v1.1.2.3_473 (This product supports both Annex A and Annex B) DSL:
- ADSL WAN (ATM) QIS manual setting list updated,
Add Turkey ISP TurkNet.
Bug fixes and enhancements:
- Adopt UI login enhancement.
- Fixed various UI related issues.
- Fine tune FAQ URL links.
- Added Ethernet WAN Link Up/Down info for Syslog.
Please unzip the firmware file first then check the MD5 code.
MD5: 56bb5bd77d5211b2d139fd4a34b06bbf Download
Source Code
GPL of ASUS DSL-N55U_D1 for firmware 1.1.2.3_617 Download