PT-2026-92042 · Arista · Eos
CVE-2026-73456
·
Published
2026-09-15
·
Updated
2026-09-22
CVSS v3.1
10
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Arista EOS (affected versions not specified)
Description
On platforms running Arista EOS with the gRPC Network Packet Sampling Interface (gNPSI) enabled, an unauthenticated gNPSI client can send a specially crafted request. This can lead to arbitrary code execution, allowing an attacker to gain full administrative control over the affected switch.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
RCE
Code Injection
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Weakness Enumeration
Related Identifiers
Affected Products
Eos