Cyber Resilience

CVE-2021-41436

High

Published: 19 November 2021

Published
19 November 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0458 89.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-41436 is a high-severity HTTP Request/Response Smuggling (CWE-444) vulnerability in Asus Rt-Ax82U Gundam Edition Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 10.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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.

CWE(s)
CWE-444

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

asus
gt-ax11000 firmware
≤ 3.0.0.4.386.45898
asus
rt-ax3000 firmware
≤ 3.0.0.4.386.45898
asus
rt-ax55 firmware
≤ 3.0.0.4.386.45898
asus
rt-ax56u firmware
≤ 3.0.0.4.386.45898
asus
rt-ax56u v2 firmware
≤ 3.0.0.4.386.45898
asus
rt-ax58u firmware
≤ 3.0.0.4.386.45898
asus
rt-ax82u firmware
≤ 3.0.0.4.386.45898
asus
rt-ax82u gundam edition firmware
≤ 3.0.0.4.386.45898 · ≤ 3.0.0.4.386.45898
asus
rt-ax86u firmware
≤ 3.0.0.4.386.45898
asus
rt-ax86s firmware
≤ 3.0.0.4.386.45898
+8 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References