CVE-2026-17518 PUBLISHED

Assigner: ASUS
Reserved: 27.07.2026 Published: 20.10.2026 Updated: 20.10.2026

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.

Metrics

CVSS 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
CVSS Score: 8.2

Product Status

Vendor ASUS
Product Router
Versions Default: unaffected
  • Version ASUSWRT 3.0.0.4_386 series is affected
  • Version ASUSWRT 3.0.0.4_388 series is affected

References

Problem Types

  • CWE-121: Stack-based Buffer Overflow CWE