CVE-2026-73469 — Security Advisory 0176
When specific platforms are using Arista EOS with a loose Unicast Reverse Path Forwarding (uRPF) configuration, certain traffic may not be subjected to the intended verification…
Published: 2026-09-16 · CVSS: 6.9 · CVSS 4.0
When specific platforms are using Arista EOS with a loose Unicast Reverse Path Forwarding (uRPF) configuration, certain traffic may not be subjected to the intended verification drop. Consequently, traffic that should be dropped based on these routes could still be processed and forwarded by the device. This issue was discovered internally by Arista and the company is not aware of any malicious uses of this issue in customer networks.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7