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CVE-2021-41436 Details

Description

An HTTP request smuggling in web application in ASUS ROG Rapture GT-AX11000, RT-AX3000, RT-AX55, RT-AX56U, RT-AX56U_V2, RT-AX58U, RT-AX82U, RT-AX82U GUNDAM EDITION, RT-AX86 Series(RT-AX86U/RT-AX86S), RT-AX86U ZAKU II EDITION, RT-AX88U, RT-AX92U, TUF Gaming AX3000, TUF Gaming AX5400 (TUF-AX5400), ASUS ZenWiFi XD6, ASUS ZenWiFi AX (XT8) before 3.0.0.4.386.45898, and RT-AX68U before 3.0.0.4.386.45911, allows a remote unauthenticated attacker to DoS via sending a specially crafted HTTP packet.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://rog.asus.com/networking/rog-rapture-gt-ax11000-model/helpdesk_bios	CVE	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-AX-XT8-/HelpDesk_BIOS/	CVE	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-XD6/HelpDesk_BIOS/	CVE	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/All-series/RT-AX55/HelpDesk_BIOS/	CVE	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX3000/HelpDesk_BIOS/	CVE	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX56U/HelpDesk_BIOS/	CVE	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX68U/HelpDesk_BIOS/	CVE	ProductVendor Advisory
https://rog.asus.com/networking/rog-rapture-gt-ax11000-model/helpdesk_bios	[email protected]	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-AX-XT8-/HelpDesk_BIOS/	[email protected]	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-XD6/HelpDesk_BIOS/	[email protected]	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/All-series/RT-AX55/HelpDesk_BIOS/	[email protected]	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX3000/HelpDesk_BIOS/	[email protected]	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX56U/HelpDesk_BIOS/	[email protected]	ProductVendor Advisory
https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX68U/HelpDesk_BIOS/	[email protected]	ProductVendor Advisory

see all 14 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-444	Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')	[email protected]

Affected Products

Product	Versions
asus gt-ax11000 firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:gt-ax11000_firmware:::::::: Remediation No remediation found in references.
asus gt-ax11000	All versions
CPE cpe:2.3:h:asus:gt-ax11000:-:::::::* Remediation No remediation found in references.
asus rt-ax3000 firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax3000_firmware:::::::: Remediation No remediation found in references.
asus rt-ax3000	All versions
CPE cpe:2.3:h:asus:rt-ax3000:-:::::::* Remediation No remediation found in references.
asus rt-ax55 firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax55_firmware:::::::: Remediation No remediation found in references.
asus rt-ax55	All versions
CPE cpe:2.3:h:asus:rt-ax55:-:::::::* Remediation No remediation found in references.
asus rt-ax56u firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax56u_firmware:::::::: Remediation No remediation found in references.
asus rt-ax56u	All versions
CPE cpe:2.3:h:asus:rt-ax56u:-:::::::* Remediation No remediation found in references.
asus rt-ax56u v2 firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax56u_v2_firmware:::::::: Remediation No remediation found in references.
asus rt-ax56u v2	All versions
CPE cpe:2.3:h:asus:rt-ax56u_v2:-:::::::* Remediation No remediation found in references.
asus rt-ax58u firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax58u_firmware:::::::: Remediation No remediation found in references.
asus rt-ax58u	All versions
CPE cpe:2.3:h:asus:rt-ax58u:-:::::::* Remediation No remediation found in references.
asus rt-ax82u firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax82u_firmware:::::::: Remediation No remediation found in references.
asus rt-ax82u	All versions
CPE cpe:2.3:h:asus:rt-ax82u:-:::::::* Remediation No remediation found in references.
asus rt-ax82u gundam edition firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax82u_gundam_edition_firmware:::::::: Remediation No remediation found in references.
asus rt-ax82u gundam edition	All versions
CPE cpe:2.3:h:asus:rt-ax82u_gundam_edition:-:::::::* Remediation No remediation found in references.
asus rt-ax86u firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax86u_firmware:::::::: Remediation No remediation found in references.
asus rt-ax86u	All versions
CPE cpe:2.3:h:asus:rt-ax86u:-:::::::* Remediation No remediation found in references.
asus rt-ax86s firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax86s_firmware:::::::: Remediation No remediation found in references.
asus rt-ax86s	All versions
CPE cpe:2.3:h:asus:rt-ax86s:-:::::::* Remediation No remediation found in references.
asus rt-ax86u zaku ii edition firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax86u_zaku_ii_edition_firmware:::::::: Remediation No remediation found in references.
asus rt-ax86u zaku ii edition	All versions
CPE cpe:2.3:h:asus:rt-ax86u_zaku_ii_edition:-:::::::* Remediation No remediation found in references.
asus rt-ax88u firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax88u_firmware:::::::: Remediation No remediation found in references.
asus rt-ax88u	All versions
CPE cpe:2.3:h:asus:rt-ax88u:-:::::::* Remediation No remediation found in references.
asus rt-ax92u firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:rt-ax92u_firmware:::::::: Remediation No remediation found in references.
asus rt-ax92u	All versions
CPE cpe:2.3:h:asus:rt-ax92u:-:::::::* Remediation No remediation found in references.
asus tuf gaming ax3000 firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:tuf_gaming_ax3000_firmware:::::::: Remediation No remediation found in references.
asus tuf gaming ax3000	All versions
CPE cpe:2.3:h:asus:tuf_gaming_ax3000:-:::::::* Remediation No remediation found in references.
asus tuf-ax5400 firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:tuf-ax5400_firmware:::::::: Remediation No remediation found in references.
asus tuf-ax5400	All versions
CPE cpe:2.3:h:asus:tuf-ax5400:-:::::::* Remediation No remediation found in references.
asus zenwifi xd6 firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:zenwifi_xd6_firmware:::::::: Remediation No remediation found in references.
asus zenwifi xd6	All versions
CPE cpe:2.3:h:asus:zenwifi_xd6:-:::::::* Remediation No remediation found in references.
asus zenwifi ax (xt8) firmware	< 3.0.0.4.386.45898
CPE cpe:2.3:o:asus:zenwifi_ax_(xt8)_firmware:::::::: Remediation No remediation found in references.
asus zenwifi ax (xt8)	All versions
CPE cpe:2.3:h:asus:zenwifi_ax_(xt8):-:::::::* Remediation No remediation found in references.
asus rt-ax68u firmware	< 3.0.0.4.386.45911
CPE cpe:2.3:o:asus:rt-ax68u_firmware:::::::: Remediation No remediation found in references.
asus rt-ax68u	All versions
CPE cpe:2.3:h:asus:rt-ax68u:-:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jul 9, 2026	CVE Modified	CVE
Jul 5, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 23, 2021	Initial Analysis	[email protected]

CVE-2021-41436 Details

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