CVE-2026-121369
Security Advisory 0225
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
On affected platforms running Arista EOS under specific link configurations an attacker with direct connectivity to the system may cause system CPU and memory utilization to increase considerably leading to slow responsiveness and eventually may cause the system to reboot.
| CWE | CWE-770 |
| Vendor | arista networks |
| Product | eos |
| Published | Nov 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Arista Networks / EOS
4.34.2F ≤ 4.34.7M 4.35.0F ≤ 4.35.6M 4.36.0F ≤ 4.36.1M