DSL-AC88U

Firmware history

1. v1.10.08_Build593 25 August 2021

   Cites CVE-2021-20090

   Release notes — disclosure 0.73

   This model was end of its life, and its firmware, utility, website, and manual will no longer be updated. For more details, please refer to https://www.asus.com/event/network/eol-product/Fixed CVE-2021-20090

   Archived page, fetched 29 September 2026

2. v1.10.06_Build591 14 December 2018

   Release notes — disclosure 0.37

   New feature:- Now supports Advanced WiFi Scheduler feature.DSL:- Fixed ES/SES counters not reset after xDSL resync.Bug fixes and enhancements:- Fixed Web UI display issue with language Turkish/ Czech/ French.- Fixed AiProtection not reinitiated under certain condition issue.- Fixed PPPoE host-uniq not working issue.- Fixed various UI related issues.- AiProtection > DPI Engine updated: RC25.

   Archived page, fetched 29 September 2026

3. 1.10.06-Build585 9 November 2018

   Release notes — disclosure 0.55

   Release note: - Fixed memory leak issue. - xDSL Datapump updated: A2pvfbH043q. Fixed various xDSL issues. - xDSL Driver updated: A2x027b. Fixed various xDSL issues. - Added 35b support for VDSL Profile > Multi-mode. - Fixed system DHCP server related issues. - Adopt Broadcom BSP Patch5 changes. - Fixed MDNS Multicast issues. - Fixed AiProtection related issues. - Fixed PS3/PS4 PPPoE pass-through issue when the WAN interface has no VLAN tag. - Now Web UI support HTTPS option(Administration > System). - Added "-R" option to start minidlna, force minidlna reparse USB content. - Fixed always show alert message after finish restoring Setting file issue. - Fixed Network Services under Firewall does not work properly issue. - Fixed issue show incorrect message "Signature Version". - Fixed Web History related issues. - Fixed the issue of firewall is not properly working by default. - Web access from WAN, removed HTTP option, for security concern. - Exclude G.fast capability in Auto-Sync mode for DSL modulation and removed some driver bits, for ADSL2+ compatibility.

   Archived page, fetched 29 September 2026

4. 1.10.05-Build503 6 February 2018

   Release notes — disclosure 0.33

   Release note:- Fixed AiProtection/ Parental Control App & Webs filter features related issues.- Fine tune the check button of firmware upgrade page.

   Archived page, fetched 29 September 2026

5. 1.10.05-Build502 29 December 2017

   Release notes — disclosure 0.45

   Release note: - Now supports AiProtection/ Parental Control App & Webs filter features with signature update mechanism. - LAN > DHCP Server > Manually Assigned IP around the DHCP list, now extended to 64. - Upgrade dnsmasq from v2.58 to v2.78. - Modify ACSD algorithm by priority for WiFi 5GHz band. - Administration > System > Time Zone, GMT +9:30 Adelaide option added. - System Log > DSL Log, SES(Severely Errored Seconds) field added. - Fine tune WiFi 5GHz throughput. - Fine tune AU/EU power. - Change DSL Log > Line Attenuation Upstream display, if 0 then display as N/A. - Adopt OpenVPN Server speed enhancement. - Fixed Administration > System > Auto Logout related issue. - Fixed issue of duplicate printer information. - Fixed issue of no error message pop-up if restored with invalid Settings file. - Fixed Administration > System > Enable Web Access from WAN related issue. - Fixed LAN > Route, UI issue. - Fixed Primary WAN still displays as connected after removed 3G/4G dongle issue. - Fixed Primary WAN, NM > WAN IP display issue. - Fixed Wireless > General, extension channel display issues. - Fixed the issue of wireless mode and channel bandwidth mismatch issue. - Fixed JavaScript ReferenceError in USB disk page issue. - Fixed issue of NM > WAN IP 0.0.0.0 shown when WAN connection type is Automatic IP. - Fixed there is no value of LAN IPv6 prefix length issue. - Fixed issue of LAN port 4 failed to work(after setup via QIS > UK > BT IPTV). - Firewall > URL Filter/Network Services Filter, now default Disabled selected. - Support WAN interface with VLAN and without VLAN in parallel. - Fixed DDNS failed to work with WAN connection type PPPoA issue. - Fixed issue of DHCPv6 Server for LAN side does not assign addresses within the DHCP pool. - Fixed IPv6 Stateful for LAN doesn’t work properly issue. - Fixed IPv6 6in4 issues with PPPoE WAN connection type. - Fixed AiCloud App related issue. - Fixed auto WAN detection unstable issue. - Fixed Internet connection suspended for 5 seconds while connecting the 3G/4G dongle issue. - Fixed issue of IPv6 can’t work in WAN connection type PPPoA. - Fixed possible Network Map > Client status list empty issue. - Wireless > General, enable “auto select channel including DFS channel” by default. - Fixed Traffic Monitor > Daily issue. - Fixed LAN client can’t use IPv6 to access Internet if using tunnel 6rd issue. - Fixed issue of USB status update in USB 2.0 section when plugged into USB 3.0 port. - Fixed ExpressVPN OpenVPN related issue.

   Archived page, fetched 29 September 2026

6. 1.10.04_build460 16 November 2017

   Release notes — disclosure 0.60

   Release note:- This product not affected by KRACKs Security Vulnerabilities, as do not support Client Mode nor Repeater mode and do not support 802.11r.- Now supports Traffic Manager > Web History feature.- Support Internet Detection feature, options available PPP Echo/ Disable(WAN > Internet Connection > Account Settings), specifically for PPPoA/PPPoE.- Include G.fast capability in Auto-Sync mode for DSL modulation.- xDSL Datapump updated: Combo version A2pvfbH043k. Fixed various xDSL issues.- xDSL Driver updated: A2x026r. Fixed various xDSL issues.- Fixed CSRF problem: check whether the address of Referrer HTTP header match with the server address.- System Log > DSL Log, display FEC counter.- System Log > DSL Log, display VDSL band status under VDSL mode.- System Log > DSL Log, display System Vendor ID/ System Vendor Model ID/ Modem Vendor ID.- System Log > General Log, display temperature of 2.4GHz/ 5GHz/ CPU.- System Log > General Log, display CPU Model/ CPU Frequency/ CPU Load Average.- Fixed G.INP/ G.Vectoring DSL Modulation display issue.- Fine tune the QIS list for Turkey ISP.- VDSL Profile excludes 30a from Multi mode as there could be issue against legacy DSLAMs(especially with non-BRCM CO) if 30a is enabled by default. 35b will be included in Multi mode in next release.- Fixed DNS name resolution of DHCP-assigned local IP addresses does not work issue.- Enhance time accuracy for Guest Network > Access Time and add remaining time support.- Support countdown for Guest Network > Access Time.- Fixed undefined issue when Guest Network > remaining time becomes zero.- Fixed various UI related issues.- Correct the information to announce user that the App version is up-to-date.- Add mutex lock for DSL status file.- Correct DSL Log > Path mode output.- Fixed UI band 4 channel missing issue, for specific regions.- Show channel 165 by default 20/40/80MHz bandwidth.- Fixed Network Map > Client status > IP setting doesn’t work issue.- Fixed Network Map > Client status > Icon Default failed to work issue.- Fixed Network Map > Client status > MAC and IP address Binding configured, client should display static instead of dhcp.- Fixed IE display invalid css layout due to webjsmin removed necessary space issue.- Extend the QIS waiting time of auto WAN detection.- Enhance Status Bar: DSL string shown on DSL status icon no matter which modulation used.- Fixed Wireless > Professional > 2.4GHz band “Reducing USB 3.0 interference“ setting failed to work issue.- Wireless > Professional > Modulation Scheme, change option value: MCS 7=0, MCS 9=2, MCS 11=1 for 2.4GHz band and MCS 9=0, MCS 11=1 for 5GHz band.- Wireless > Professional, Tx power adjustment fine tune.- Wireless > Professional, redesign the Modulation Scheme and add MCS 9 for 2.4GHz band.- Fixed OpenVPN client ip-down executed fail error.- Fixed ASUS_usb_path%d_act missing error.- After setting QIS > PPP username/password, redirect to checking credentials page immediately.- Redirect to QIS > WiFi info page if WiFi configuration changed, if client connected via WiFi.- Fixed IPv6 routing issues.- Disable "Auto select channel including DFS channel“ by default for Auto channel selection.- Fixed DFS channel exclusion issue for Auto channel selection.- Check firmware filename before uploading, reject if not matched.- Display IA_PD prefix on LAN IPv6 Prefix section.

   Archived page, fetched 29 September 2026

Evidence

2 archived pages sit behind this record, the earliest read on 2 August 2026. Everything above was read from them, and each is kept byte for byte so it can be checked after the vendor edits the original.

Identifiers: marketing_name DSL-AC88U

Judged by lifecycle-1 on 29 September 2026. How these verdicts are computed.

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