CVE-2026-17518
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.
CVE-2026-17518
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-17518
Router
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "ASUS",
"product": "Router",
"versions": [
{
"status": "affected",
"version": "ASUSWRT 3.0.0.4_386 series",
"versionType": "custom"
},
{
"status": "affected",
"version": "ASUSWRT 3.0.0.4_388 series"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-17518
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #42561 · Revision 1
- Added to Heist Feed
- Publisher date