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    CVE-2026-102164

    On affected Arista access points configured with VXLAN tunnelling and L2-proxy (a specific configuration unique to the VESPA use-case), a wireless client associated to the tunnelled SSID can send a crafted packet, causing the access point to reveal memory contents in network traffic. No write primitive or remote code execution is possible.

    Published:Oct 6, 2026
    Last Modified:Oct 9, 2026
    EPS:Oct 6, 2026
    EPSS Score:0.00191
    CVSS Score:3.1

    Affected Products

    Vendor
    Arista
    Product
    Wi-fi Access Points

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-102165 (CVSS 7.7) — On affected Arista Wi-Fi access points, an unauthenticated attacker with network access to the capture service…
    CVE-2026-102167 (CVSS 9) — On affected Arista Wi-Fi access points, a memory corruption vulnerability exists in access point's wired uplin…
    CVE-2026-102163 (CVSS 8.7) — On affected Arista access points with Wireless Intrusion Prevention System (WIPS) active, an unauthenticated a…
    CVE-2026-102169 (CVSS 7.1) — On affected Arista Wi-Fi access points with Captive Portal enabled, an unauthenticated wireless client connect…
    CVE-2026-102168 (CVSS 7.1) — On affected Arista Wi-Fi access points with Captive Portal enabled, an unauthenticated wireless client connect…
    CVE-2026-102162 (CVSS 9.4) — On affected Arista Wi-Fi access points with captive portal, or application firewall enabled on at least one SS…

    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