CVE-2021-3128

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

2.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 82.3% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-04-12 17:41Z5 YR AGO

Last updated

2024-08-03 16:45Z2 YR AGO

Reserved

2021-01-12

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-834Excessive IterationClass

Data version

5.1

Document digest

a03479ae17a91f1fc64c926a4ad3b01e1a5569330654ae38704ceee58a08274d

• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX3000/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/Whole-Home-Mesh-WiFi-System/ZenWiFi-WiFi-Systems/ASUS-ZenWiFi-AX-XT8-/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX88U/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX86U/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX82U/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX68U/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX58U/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX56U/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-6/All-series/RT-AX55/HelpDesk_BIOS/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC5300/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC88U/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC3100/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC86U/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC2900/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC1750_B1/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC1900/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC1900P/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC1900U/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/Networking-IoT-Servers/WiFi-Routers/ASUS-WiFi-Routers/RT-AC66U-B1/HelpDesk_Download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC68P/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC68R/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC68RW/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC68U/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC58U/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC85U/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC65U/HelpDesk_download/x_refsource_MISC
• www.asus.comhttps://www.asus.com/supportonly/RT-AC68W/HelpDesk_download/x_refsource_MISC