CVE-2026-84730 PUBLISHED

Assigner: ASUS
Reserved: 02.09.2026 Published: 04.11.2026 Updated: 04.11.2026

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	ASUS
Product	Router firmware
Versions	Default: unaffected Version ASUSWRT 3.0.0.4_386 series is affected Version ASUSWRT 3.0.0.4_388 series is affected Version ASUSWRT 3.0.0.6_102 series is affected

Credits

Klein András reporter

References

https://www.asus.com/security-advisory

Problem Types

CWE-121：Stack-based Buffer Overflow CWE