CVE-2026-19655

MEDIUM Status: Received

CVSS Scores

CVSS v3.x Base Score
6.5
MEDIUM

Description

On affected platforms running Arista EOS with Dynamic Host Configuration Protocol (DHCP) relay/snooping configured with the information option (Option 82), or with the DHCP server configured with match criteria based on the information option, an unauthenticated attacker connected to a client-facing VLAN(s) where the relay is configured can send a specially crafted packet that causes the DHCP Relay service to restart.

Published
September 15, 2026 9:16 PM
Last Modified
September 15, 2026 9:16 PM
Source
[email protected]

Weaknesses (CWE)

CWE-20

References

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