CVE-2021-3128

CWE-8343 documents3 sources
Severity
7.5HIGH
EPSS
2.5%
top 14.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
27
Asus Rt-ac1750 B1 FirmwareAsus Rt-ac1900 FirmwareAsus Rt-ac1900p Firmware+24 more
Timeline
PublishedApr 12
Latest updateMay 24

Description

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 p…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages27 packages

▶NVDasus/rt-ax88u_firmware< 3.0.0.4.386.42095+1
▶NVDasus/rt-ax3000_firmware< 3.0.0.4.386.42095+1
▶NVDasus/zenwifi_ax_\(xt8\)_firmware< 3.0.0.4.386.42095+1
▶NVDasus/rt-ax55_firmware< 3.0.0.4.386.42095+1
▶NVDasus/rt-ac58u_firmware< 3.0.0.4.386.42095+1

🔴Vulnerability Details

2
GHSA
GHSA-289v-jmv7-6xmx: In ASUS RT-AX3000, ZenWiFi AX (XT8), RT-AX88U, and other ASUS routers with firmware < 3↗2022-05-24
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CVEList
CVE-2021-3128: In ASUS RT-AX3000, ZenWiFi AX (XT8), RT-AX88U, and other ASUS routers with firmware < 3↗2021-04-12
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