CVE-2026-84729: High severity vulnerability

Published Nov 4, 2026
·
Updated

Out-of-bounds write in certain ASUS Router firmware allow an unauthenticated nearby attacker to write data beyond the intended buffer or potentially cause a denial-of-service (DoS) via a crafted packet. Refer to the '  Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.

Event History

Nov 4, 2026
CVE Published
via MITRE·02:03 AM
Data Sourced
via MITRE·02:03 AM
DescriptionWeakness
Data Sourced
via NVD·02:17 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this issue?

An unauthenticated attacker who is nearby and able to send a crafted packet to an affected ASUS router firmware instance can attempt exploitation. The attack vector is adjacent, so the attacker is not described as needing Internet-based access.

2

What impact can exploitation have?

The out-of-bounds write may allow data to be written beyond the intended buffer. It can also potentially cause a denial of service.

3

Is authentication or user interaction required?

No authentication or user interaction is required according to the provided vector. The attacker must be able to deliver a crafted packet from an adjacent network context.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203