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.
Published: 2026-10-20
Score: 8.2 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories

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References
Link Providers
https://www.asus.com/security-advisory cve-icon cve-icon
History

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Title Authenticated HTTP Buffer Overflow Causing Denial of Service in ASUS Routers

Tue, 20 Oct 2026 02:15:00 +0000

Type Values Removed Values Added
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.
First Time appeared Asus
Asus router
Weaknesses CWE-121
CPEs cpe:2.3:a:asus:router:asuswrt_3.0.0.4_386_series:*:*:*:*:*:*:*
cpe:2.3:a:asus:router:asuswrt_3.0.0.4_388_series:*:*:*:*:*:*:*
Vendors & Products Asus
Asus router
References
Metrics cvssV4_0

{'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'}

Subscriptions

Asus Router
cve-icon MITRE

Status: PUBLISHED

Assigner: ASUS

Published:

Updated: 2026-10-20T19:17:23.552Z

Reserved: 2026-07-27T08:03:22.659Z

Link: CVE-2026-17518

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-20T02:17:11.307

Modified: 2026-10-20T20:17:24.460

Link: CVE-2026-17518

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T08:15:11Z

Weaknesses
  • CWE-121

    Stack-based Buffer Overflow