Dashboard / CVE-2026-7473

CVE-2026-7473

MEDIUM CISA KEV
ACT NOW Priority: 0.08 BB Relevance: 74/100
Published: 2026-06-05 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: None
VI: Low
VA: None

Description

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.

CISA Known Exploited Vulnerability

Vendor / Product Arista — Extensible Operating System
Date Added 2026-06-09
Remediation Due 2026-06-23
https://www.arista.com/en/support/advisories-notices/security-advisory/24005-security-advisory-0137 ; https://nvd.nist.gov/vuln/detail/CVE-2026-7473

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
arista eos *

References & Advisories (3)

Bug Bounty Relevance

74 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ Known exploited (KEV)

CVSS Score

6.9 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

1.11%
Raw Score 0.011080
Percentile 65.7%
Date 2026-10-28

Intelligence Sources

kev ref →
nvd ref →

External Links