CVE-2021-3128

Katalog CVE

CVSS 7.5 · High EPSS 2,2%

Kerentanan Excessive Iteration pada asus zenwifi ax (xt8) firmware, asus rt-ax3000 firmware +25 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

In ASUS RT-AX3000, ZenWiFi AX (XT8), RT-AX88U, and other ASUS routers with firmware < 3.0.0.4.386.42095 or < 9.0.0.4.386.41994, when IPv6 is used, a routing loop can occur that generates excessive network traffic between an affected device and its upstream ISP's router. This occurs when a link prefix route points to a point-to-point link, a destination IPv6 address belongs to the prefix and is not a local IPv6 address, and a router advertisement is received with at least one global unique IPv6 prefix for which the on-link flag is set.

Rincian

Terbit di NVD

12 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-834: Excessive Iteration

EPSS (30 hari)

2,2% peluang dieksploitasi; lebih tinggi dari 81,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-AX-X... product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX3000/HelpDesk_BIOS/ product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX55/HelpDesk_BIOS/ product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX56U/HelpDesk_BIOS/ product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX58U/HelpDesk_BIOS/ product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX68U/HelpDesk_BIOS/ product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX82U/HelpDesk_BIOS/ product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX86U/HelpDesk_BIOS/ product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX88U/HelpDesk_BIOS/ product · advisory vendor
• https://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AC66U-B1/HelpDesk_Download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC1750_B1/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC1900/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC1900P/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC1900U/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC2900/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC3100/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC5300/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC58U/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC65U/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC68P/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC68R/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC68RW/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC68U/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC68W/HelpDesk_download/ product · advisory vendor
• https://www.asus.com/supportonly/RT-AC85U/HelpDesk_download/ product · advisory vendor