CVE-2026-73453

Summary

An unauthenticated attacker can exploit a flaw in Arista EOS P4Runtime to achieve arbitrary code execution, granting full administrative control over the switch.

Exploitability

Exploitation requires crafting a malicious packet during P4Runtime session initiation, making it technically challenging but feasible under specific conditions.

Blast radius

If exploited, the attacker can gain complete control over the switch, potentially leading to widespread network disruption and data compromise.

Detection

No reliable host or network indicator is derivable from the published description.

Prioritized remediation

Disable P4Runtime in Arista EOS to mitigate the risk, as it is disabled by default.

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.