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    CVE-2026-19386

    A stack-based buffer overflow in the ASUS router modules allows an authenticated nearby user to execute arbitrary code via a crafted configuration file upload that exceeds the expected buffer size.Refer to the ' Security Update for ASUS Router Firmware  ' section on the ASUS Security Advisory for more information.

    Published:Oct 7, 2026
    Last Modified:Oct 7, 2026
    EPS:Oct 7, 2026
    EPSS Score:0.00192
    CVSS Score:9.3

    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-2026-75779 (CVSS 8.6) — Improper Neutralization of Special Elements used in an OS Command (“OS Command Injection”) and Cross-Site Requ…
    CVE-2026-75753 (CVSS 5.3) — Missing Authentication for a Critical Function  in certain ASUS routers allows an unauthorized nearby user to …
    CVE-2026-17518 (CVSS 8.2) — Buffer Copy without Checking Size of Input in certain ASUS router models allows an adjacent authenticated user…
    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-2026-16528 (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…
    CVE-2026-14157 (CVSS 9.4) — Use of an Externally Controlled Format String in the ASUS Router modules allow a remote authenticated user to …

    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