CVE-2026-73453

An unauthenticated P4Runtime Programming Protocol-Independent Packet Processors Runtime client can achieve arbitrary code execution under certain conditions on affected platforms running Arista EOS configured with P4Runtime. P4Runtime is disabled by default in Arista EOS. By crafting a malicious...

CVE-2026-73453 Security Advisory 0174

An unauthenticated P4Runtime Programming Protocol-Independent Packet Processors Runtime client can achieve arbitrary code execution under certain conditions on affected platforms running Arista EOS configured with P4Runtime. P4Runtime is disabled by default in Arista EOS. By crafting a malicious...

CVE-2026-73453 Security Advisory 0174

An unauthenticated P4Runtime Programming Protocol-Independent Packet Processors Runtime client can achieve arbitrary code execution under certain conditions on affected platforms running Arista EOS configured with P4Runtime. P4Runtime is disabled by default in Arista EOS. By crafting a malicious...

EUVD-2026-80588

An unauthenticated P4Runtime Programming Protocol-Independent Packet Processors Runtime client can achieve arbitrary code execution under certain conditions on affected platforms running Arista EOS configured with P4Runtime. P4Runtime is disabled by default in Arista EOS. By crafting a malicious...

CVE-2026-73453

CVE-2026-73453 is a critical (CVSS 3.1: 10.0) code injection vulnerability (CWE-94 ) in Arista EOS configured with the P4Runtime service. An unauthenticated attacker who can reach the P4Runtime gRPC endpoint (port 9559) can craft a malicious packet during session initiation to achieve arbitrary c...

Arista Networks EOS P4Runtime Arbitrary Code Execution (SA0174)

The version of Arista Networks EOS running on the remote device is affected by a code injection vulnerability as referenced in security advisory SA0174. - An unauthenticated P4Runtime Programming Protocol-Independent Packet Processors Runtime client can achieve arbitrary code execution under...

CVE-2026-73453: Improper Control of Generation of Code

An unauthenticated P4Runtime Programming Protocol-Independent Packet Processors Runtime client can achieve arbitrary code execution under certain conditions on affected platforms running Arista EOS configured with P4Runtime. P4Runtime is disabled by default in Arista EOS. By crafting a malicious...

Security Advisory 0174

Security Advisory 0174 . CSAF PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release 1.1 | September 22, 2026 | CSAF JSON file added The CVE-ID tracking this issue: CVE-2026-73453 CVSSv3.1 Base Score: 10.0...