SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-41436

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…

HIGH 7.5EPSS 4.95%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.95% probability · 92th percentile
CISA KEV
Not listed
Weakness
CWE-444
Affected
asus/gt-ax11000 firmware · asus/rt-ax3000 firmware · asus/rt-ax55 firmware · asus/rt-ax56u firmware · asus/rt-ax56u v2 firmware · asus/rt-ax58u firmware · asus/rt-ax82u firmware · asus/rt-ax82u gundam edition firmware · asus/rt-ax86u firmware · asus/rt-ax86s firmware · asus/rt-ax86u zaku ii edition firmware · asus/rt-ax88u firmware · asus/rt-ax92u firmware · asus/tuf gaming ax3000 firmware · asus/tuf-ax5400 firmware · asus/zenwifi xd6 firmware · asus/zenwifi ax \(xt8\) firmware · asus/rt-ax68u firmware
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.