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CVE-2026-73468— Security Advisory 0175

Quick assessment

Affected
Arista Networks EOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

一个经过特殊构造的数据包可能会导致受影响接口上的多播转发状态提前过期，从而在该受影响时段内造成临时性的多播流量丢失。

CVSS 6.5 · Medium EPSS 0.29% · P22

Possible ATT&CK Techniques 1 AI

T1597 · Search Closed Sources

Affected Version Matrix 5

VendorProduct Version RangeStatus
Arista Networks EOS 1.0.0< 4.33.0F affected
4.33.0F≤ 4.33.8M affected
4.34.0F≤ 4.34.7.1M affected
4.35.0F≤ 4.35.5M affected
4.36.0F≤ 4.36.1F affected
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I. Basic Information for CVE-2026-73468

Vulnerability Information
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Vulnerability Title
Security Advisory 0175
Source: CVE Program / CVE List V5
Vulnerability Description
A specially crafted packet can cause the premature expiry of multicast forwarding state on affected interfaces, potentially resulting in temporary multicast traffic loss during the affected period.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
控制流实现总是不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Arista Networks EOS 1.0.0 ~ 4.33.0F -

II. Public POCs for CVE-2026-73468

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-73468

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Other References for CVE-2026-73468 (1)

Same Patch Batch · Arista Networks · 2026-09-16 · 28 CVEs total

CVE-2026-73456 10.0 CRITICAL Under certain circumstances, an unauthenticated gNPSI client can craft a malicious request
CVE-2026-73453 10.0 CRITICAL Security Advisory 0174
CVE-2026-86106 9.6 CRITICAL Security Advisory 0179
CVE-2026-73447 9.1 CRITICAL Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request
CVE-2026-73464 8.8 HIGH Security Advisory 0166
CVE-2026-73435 8.2 HIGH Security Advisory 0171
CVE-2026-73454 8.1 HIGH Security Advisory 0165
CVE-2026-86108 8.0 HIGH Security Advisory 0181
CVE-2026-73461 8.0 HIGH Security Advisory 0163
CVE-2026-73455 7.5 HIGH Security Advisory 0173
CVE-2026-73439 7.5 HIGH Security Advisory 0164
CVE-2026-2380 7.4 HIGH Security Advisory 0168
CVE-2026-73450 6.9 MEDIUM Security Advisory 0161
CVE-2026-86109 6.6 MEDIUM Security Advisory 0182
CVE-2026-73462 6.5 MEDIUM On affected platforms running Arista EOS with IGMP (Internet Group Management Protocol) sn
CVE-2026-77190 6.5 MEDIUM Security Advisory 0177
CVE-2026-73436 6.5 MEDIUM Security Advisory 0171
CVE-2026-86107 5.9 MEDIUM Security Advisory 0180
CVE-2026-73469 5.8 MEDIUM Security Advisory 0176
CVE-2026-73438 5.3 MEDIUM Security Advisory 0172

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: EOS
Same vendor: Arista Networks
Same weakness: CWE-670