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    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.

    Published:Oct 20, 2026
    Last Modified:Oct 20, 2026
    EPS:Oct 20, 2026
    EPSS Score:0.00147
    CVSS Score:8.2

    Affected Products

    Vendor
    Asus
    Product
    Router

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-121 Stack-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-14911 (CVSS 9.3) — Improper Neutralization of Input During Web Page Generation (“Cross-site Scripting”) in ASUS router modules al…
    CVE-2026-19396 (CVSS 7.7) — A predictable seed in the pseudo-random number generator (PRNG) in the IFTTT pairing token generation of the A…
    CVE-2026-19386 (CVSS 9.3) — A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitr…
    CVE-2026-16528 (CVSS 8.4) — Insertion of Sensitive Information into Log File in certain ASUS router models allows a remote authenticated a…
    CVE-2026-13313 (CVSS 8.9) — An Active Debug Code vulnerability in certain ASUS router models allows a remote authenticated user, via a cra…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High