Arista · Eos · CVE-2026-73438
**Name of the Vulnerable Software and Affected Versions**
Arista EOS (affected versions not specified)
**Description**
An unauthenticated attacker on the same OSPFv3 broadcast domain can send a specially crafted set of packets to cause the Ospf3 agent to restart unexpectedly. This crash leads to the loss of all OSPFv3 adjacencies on the device and may disrupt routing across the broader OSPF domain until the agent recovers.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.