CVE-2026-19386 - Vulnerability Details - OpenCVE

A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Asus Subscribe	Router Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Wed, 07 Oct 2026 02:15:00 +0000

Type	Values Removed	Values Added
Description		A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware ' section on the ASUS Security Advisory for more information.
First Time appeared		Asus Asus router
Weaknesses		CWE-121
CPEs		cpe:2.3:a:asus:router:3.0.0.6.102_series:::::::*
Vendors & Products		Asus Asus router
References		https://www.asus.com/security-advisory
Metrics		cvssV4_0 `{'score': 9.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: ASUS

Published: 2026-10-07T02:05:31.759Z

Updated: 2026-10-07T02:05:31.759Z

Reserved: 2026-08-10T00:26:27.227Z

Link: CVE-2026-19386

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-10-07T02:16:57.883

Modified: 2026-10-07T02:16:57.883

Link: CVE-2026-19386

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-121

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