---
title: "CVE-2026-93489: ASUS Router - Authentication Bypass"
description: "ASUS router modules contain an improper authentication vulnerability caused by lack of proper access ticket validation, letting unauthenticated nearby users perform administrator operations via forged HTTP requests."
url: https://panop.io/threat-heartbeat/CVE-2026-93489/
---

# CVE-2026-93489 ASUS Router - Authentication Bypass

ASUS router modules contain an improper authentication vulnerability caused by lack of proper access ticket validation, letting unauthenticated nearby users perform administrator operations via forged HTTP requests.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.19% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-93489)

## Details

Type

Authentication Bypass

Impact

Privilege Escalation

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

23 October 2026

Updated

25 October 2026

Weakness

[CWE-287](https://cwe.mitre.org/data/definitions/287.html)

## Vendor fix

Update to the latest ASUS router firmware as per the ASUS Security Advisory.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-93489](https://nvd.nist.gov/vuln/detail/CVE-2026-93489)
- [https://www.asus.com/security-advisory](https://www.asus.com/security-advisory)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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