CVE-2026-88709
Received Received - Intake

Command Injection in ASUS Router Firmware

Publication date: 2026-11-10

Last updated on: 2026-11-10

Assigner: ASUS

Description
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.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-11-10
Last Modified
2026-11-10
Generated
2026-11-10
AI Q&A
2026-11-10
EPSS Evaluated
N/A
NVD
CVE-2026-88709
EUVD
EUVD-2026-120740

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
asus router_firmware *

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability involves improper neutralization of special elements used in an OS command in certain ASUS Router firmware. An attacker with physical access can insert a USB device with a specially crafted directory name to execute arbitrary commands with root privileges.

Detection Guidance

This vulnerability requires physical access to insert a USB device with a specially crafted directory name. Detection would involve monitoring for unauthorized USB devices or unusual directory names on ASUS routers. Check system logs for command execution events or unexpected root-level processes.

Impact Analysis

An attacker could gain full control over the router, allowing them to intercept network traffic, install malware, or use the device as a pivot point for further attacks. This could compromise all connected devices and sensitive data.

Compliance Impact

This vulnerability allows arbitrary command execution with root privileges via physical access, which could lead to unauthorized data access or modification. This may violate compliance requirements under GDPR (data protection) and HIPAA (health data security) if sensitive information is exposed or altered.

Mitigation Strategies

Apply the latest firmware update from ASUS to patch the vulnerability. Restrict physical access to the router to prevent unauthorized USB insertion. Monitor for suspicious activity and disable unused USB ports if possible.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-88709. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart

Security Radar

News mentioning this vulnerability
Loading related security news...