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    CVE-2026-73454

    On affected platforms running Arista EOS with gRPC Network Security Interface (gNSI) Credentialz configured, a specially crafted request can cause unintended modifications to the target account's properties. This may result in the account being assigned elevated privileges or access beyond what an administrator intended.

    Published:Sep 16, 2026
    Last Modified:Sep 18, 2026
    EPS:Sep 16, 2026
    EPSS Score:0.00296
    CVSS Score:8.1

    Affected Products

    Vendor
    Arista
    Product
    Eos

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-73462 (CVSS 7.1) — On affected platforms running Arista EOS with IGMP (Internet Group Management Protocol) snooping configured (e…
    CVE-2026-73457 (CVSS 6) — Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interfa…
    CVE-2026-73456 (CVSS 9.2) — Under certain circumstances on affected platforms running Arista EOS with gRPC Network Packet Sampling Interfa…
    CVE-2026-73442 (CVSS 2.1) — On affected platforms running Arista EOS with VRRP enabled, the peer device VRRP authentication credentials ar…
    CVE-2026-73443 (CVSS 5.3) — On affected platforms running Arista EOS with VRRPv2 IP-AH authentication configured, an unauthenticated attac…
    CVE-2026-77190 (CVSS 6) — On affected platforms running Arista EOS, an unauthenticated attacker who is network-adjacent to the switch an…
    CVE-2026-73468 (CVSS 7.1) — A specially crafted packet can cause the premature expiry of multicast forwarding state on affected interfaces…
    CVE-2026-73440 (CVSS 2.3) — On affected platforms running Arista EOS with Simple Network Management Protocol (SNMP) configured, SNMPv3 loc…
    CVE-2026-73469 (CVSS 6.9) — When specific platforms are using Arista EOS with a loose Unicast Reverse Path Forwarding (uRPF) configuration…
    CVE-2026-73453 (CVSS 9.5) — An unauthenticated P4Runtime (Programming Protocol-Independent Packet Processors Runtime) client can achieve a…

    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