CVE-2026-73450 - Security Advisory 0161
CVE ID :CVE-2026-73450
Published : Sept. 16, 2026, 3:16 a.m. | 1 hour, 51 minutes ago
Description :On affected platforms running Arista EOS with MLAG Dual Primary Detection configured, an unauthenticated attacker with access to the Dual Primary Detection network segment can send specially crafted packets to interfere with the dual-primary state. If the MLAG primary switch fails while these packets are present, the secondary switch incorrectly concludes it is in a dual-primary condition and err-disables its interfaces, leading to a traffic interruption.
Severity: 7.0 | HIGH
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Published : Sept. 16, 2026, 3:16 a.m. | 1 hour, 51 minutes ago
Description :On affected platforms running Arista EOS with MLAG Dual Primary Detection configured, an unauthenticated attacker with access to the Dual Primary Detection network segment can send specially crafted packets to interfere with the dual-primary state. If the MLAG primary switch fails while these packets are present, the secondary switch incorrectly concludes it is in a dual-primary condition and err-disables its interfaces, leading to a traffic interruption.
Severity: 7.0 | HIGH
Visit the link for more details, such as CVSS details, affected products, timeline, and more...