CVE-2026-84730

Unauthenticated Attackers Exploit Buffer Overflow in ASUS Router Firmware

Published Nov 4, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
Stack-based buffer overflow in certain ASUS Router firmware allows an unauthenticated nearby attacker to execute arbitrary commands with root privileges via a crafted device name.
Refer to the '
Security Update for ASUS Router AiCloud Feature ' section on the ASUS Security Advisory for more information.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Unauthenticated Attackers Exploit Buffer Overflow in ASUS Router Firmware
Type Values Removed Values Added
Description Stack-based buffer overflow in certain ASUS Router firmware allows an unauthenticated nearby attacker to execute arbitrary commands with root privileges via a crafted device name. Refer to the ' Security Update for ASUS Router AiCloud Feature ' section on the ASUS Security Advisory for more information.
First Time appeared Asus
Asus router Firmware
Weaknesses CWE-121
CPEs cpe:2.3:a:asus:router_firmware:asuswrt_3.0.0.4_386_series:*:*:*:*:*:*:*
cpe:2.3:a:asus:router_firmware:asuswrt_3.0.0.4_388_series:*:*:*:*:*:*:*
cpe:2.3:a:asus:router_firmware:asuswrt_3.0.0.6_102_series:*:*:*:*:*:*:*
Vendors & Products Asus
Asus router Firmware
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ASUS
Published
Updated
Nov 5, 2026, 4:56 AM
Reserved
Sep 2, 2026, 6:17 AM
Status
Awaiting Analysis
Published
Nov 4, 2026, 2:17 AM
Modified
Nov 12, 2026, 7:26 PM