CVE-2026-120982
Security Advisory 0207
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
On affected platforms running Arista EOS with Border Gateway Protocol (BGP) configured, An unauthenticated attacker who can establish a BGP peering session with an affected device and can send specially crafted BGP messages to cause repeated BGP session resets, enabling sustained disruption to network routing and traffic forwarding.
| CWE | CWE-440 |
| Vendor | arista networks |
| Product | eos |
| Published | Nov 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Arista Networks / EOS
4.36.0F ≤ 4.36.2F 4.35.0F ≤ 4.35.6M 4.34.0F ≤ 4.34.8M 4.33.0F ≤ 4.33.10M 1.0.0 < 4.33.0F