CVE-2026-17518

high

Description

Buffer Copy without Checking Size of Input in certain ASUS router models allows an adjacent authenticated user to corrupt device operations and cause a denial of service via an HTTP request with input exceeding the expected length. 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-2026-104783

Details

Source: Mitre, NVD

Published: 2026-10-20

Updated: 2026-10-20

Risk Information

CVSS v2

Base Score: 2.7

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

Severity: Low

CVSS v3

Base Score: 5.7

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

Severity: Medium

CVSS v4

Base Score: 8.2

Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:H

Severity: High

EPSS

EPSS: 0.00147