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Arista Extensible Operating System Incomplete Comparison with Missing Factors Vulnerability

CVE-2026-7473 Medium CVSS 5.8 In-The-Wild Exploited

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Ringkasan Kerentanan (Vulnerability Overview)

Rilis: 01 October 2026

Arista Extensible Operating System (EOS) contains an incomplete comparison with missing factors vulnerability when the switch incorrectly decapsulate and forwards other unexpected tunneled packet with a destination IP matching its configured decapsulation IP.

Tindakan Mitigasi yang Wajib Diterapkan (Required Action)

Instruksi Keamanan untuk Pengelola TI / OPD

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Seluruh pengelola server dan aplikasi di lingkungan OPD Kabupaten Ciamis diimbau untuk segera mengaudit perangkat terdampak dan mengaplikasikan patch sebelum batas waktu mitigasi.

Produk & Versi Terdampak

Produk	Versi Basis	Batas Terdampak	Status Keamanan
EOS	4.36.0	—	AFFECTED
EOS	4.35.0	—	AFFECTED
EOS	4.34.0	—	AFFECTED
EOS	4.33.0	—	AFFECTED
EOS	4.32.0	—	AFFECTED
EOS	4.31.0	—	AFFECTED
EOS	*	—	AFFECTED

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Threat Intelligence Matrix

CVE Identifier

CVE-2026-7473

Vendor / Project Arista

Produk Terdampak Extensible Operating System

Skor CVSS

5.8 / 10.0

Status Eksploitasi AKTIF (In-The-Wild)

Kampanye Ransomware Tidak Diketahui

Automatable (Wormable) Unknown

Dampak Teknis Total

Sumber Intelijen CISA KEV

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CVE-2026-109619 Critical

RCE via stale global state

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