CVE-2026-88709 PUBLISHED

Assigner: ASUS
Reserved: 10.09.2026 Published: 10.11.2026 Updated: 10.11.2026

Improper neutralization of special elements used in an OS command in certain ASUS Router firmware allows an user with physical access to insert a USB device containing a specially crafted directory name, potentially executing arbitrary commands with root privileges. Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Physical	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 3.0.0.4.386 series is affected Version 3.0.0.4.388 series is affected Version 3.0.0.6.102 series is affected

References

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

Problem Types

CWE-78 Improper Neutralization of Special Elements used in an OS Command CWE