CVE-2026-19386

critical

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.

References

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94157

Details

Source: Mitre, NVD

Published: 2026-10-07

Updated: 2026-10-08

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base 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

Severity: Critical

EPSS

EPSS: 0.00192