CVE-2021-41436
ASUS Router HTTP Request Smuggling Denial of Service
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.
INFO
Published Date :
Nov. 19, 2021, 12:15 p.m.
Last Modified :
Nov. 23, 2021, 6:29 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-41436 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-41436
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-41436.
| URL | Resource |
|---|---|
| http://asus.com | Vendor Advisory |
| https://rog.asus.com/networking/rog-rapture-gt-ax11000-model/helpdesk_bios | Product Vendor Advisory |
| https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-AX-XT8-/HelpDesk_BIOS/ | Product Vendor Advisory |
| https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-XD6/HelpDesk_BIOS/ | Product Vendor Advisory |
| https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX3000/HelpDesk_BIOS/ | Product Vendor Advisory |
| https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX56U/HelpDesk_BIOS/ | Product Vendor Advisory |
| https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX68U/HelpDesk_BIOS/ | Product Vendor Advisory |
| https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/All-series/RT-AX55/HelpDesk_BIOS/ | Product Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Exploits of different CVE IDs (CVE-2021-37910, CVE-2021-40288, CVE-2021-41435, CVE-2021-41436, CVE-2021-41437, CVE-2021-41441, CVE-2021-41442, CVE-2021-41445, CVE-2021-41449, CVE-2021-41450, CVE-2021-41451, CVE-2021-41753, CVE-2021-41788, CVE-2021-46353, CVE-2022-41540, CVE-2022-41541)
Python HTML Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-41436 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-41436 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Nov. 23, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://asus.com No Types Assigned http://asus.com Vendor Advisory Changed Reference Type https://rog.asus.com/networking/rog-rapture-gt-ax11000-model/helpdesk_bios No Types Assigned https://rog.asus.com/networking/rog-rapture-gt-ax11000-model/helpdesk_bios Product, Vendor Advisory Changed Reference Type https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-AX-XT8-/HelpDesk_BIOS/ No Types Assigned https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-AX-XT8-/HelpDesk_BIOS/ Product, Vendor Advisory Changed Reference Type https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-XD6/HelpDesk_BIOS/ No Types Assigned https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-XD6/HelpDesk_BIOS/ Product, Vendor Advisory Changed Reference Type https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/All-series/RT-AX55/HelpDesk_BIOS/ No Types Assigned https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/All-series/RT-AX55/HelpDesk_BIOS/ Product, Vendor Advisory Changed Reference Type https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX3000/HelpDesk_BIOS/ No Types Assigned https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX3000/HelpDesk_BIOS/ Product, Vendor Advisory Changed Reference Type https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX56U/HelpDesk_BIOS/ No Types Assigned https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX56U/HelpDesk_BIOS/ Product, Vendor Advisory Changed Reference Type https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX68U/HelpDesk_BIOS/ No Types Assigned https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AX68U/HelpDesk_BIOS/ Product, Vendor Advisory Added CWE NIST CWE-444 Added CPE Configuration AND OR *cpe:2.3:o:asus:gt-ax11000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:gt-ax11000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax3000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax3000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax55_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax55:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax56u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax56u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax56u_v2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax56u_v2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax58u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax58u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax82u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax82u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax82u_gundam_edition_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax82u_gundam_edition:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax82u_gundam_edition_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax82u_gundam_edition:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax86u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax86u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax86s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax86s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax86u_zaku_ii_edition_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax86u_zaku_ii_edition:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax88u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax88u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax92u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:rt-ax92u:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:tuf_gaming_ax3000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:tuf_gaming_ax3000:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:tuf-ax5400_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:tuf-ax5400:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:zenwifi_xd6_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:zenwifi_xd6:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:zenwifi_ax_\(xt8\)_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45898 OR cpe:2.3:h:asus:zenwifi_ax_\(xt8\):-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:asus:rt-ax68u_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0.0.4.386.45911 OR cpe:2.3:h:asus:rt-ax68u:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-41436 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-41436
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.72 }} -0.00%
score
0.80607
percentile