1275 matches found
CVE-2026-73450 Security Advisory 0161
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...
EUVD-2026-80066
On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthenticated attacker who can inject a malformed IS-IS LSP PDU packet can cause the IS-IS graceful restart procedure to terminate prematurely. This may result in traffic loss following a restart event...
EUVD-2026-80065
On affected platforms running Arista EOS with IS-IS configured, an unauthenticated attacker who can inject a specially crafted IS-IS LSP PDU can cause the legitimate LSP to be unexpectedly purged from the IS-IS link-state database. This may result in traffic loss...
EUVD-2026-80064
On affected platforms running Arista EOS with IS-IS configured on a broadcast interface, an unauthenticated attacker can send a crafted IS-IS Hello Protocol Data Unit PDU that causes the device to tear down an established IS-IS adjacency. This may result in traffic disruption and loss of IP...
EUVD-2026-80007
On affected platforms running Arista EOS with Dynamic Host Configuration Protocol DHCP relay configured, an unauthenticated attacker with network access could send a crafted DHCP reply packet from an IP address that is not configured as a helper address, and the relay agent would forward it to...
EUVD-2026-80009
On affected platforms running Arista EOS with VRRPv2 IP Authentication Header IP-AH authentication configured, an unauthenticated attacker with access to the layer 2 network segment on which VRRP is running could bypass VRRP authentication and claim the virtual router master role, enabling the...
CVE-2026-73446
On affected platforms running Arista EOS with IS-IS configured on a broadcast interface, an unauthenticated attacker can send a crafted IS-IS Hello Protocol Data Unit PDU that causes the device to tear down an established IS-IS adjacency. This may result in traffic disruption and loss of IP...
CVE-2026-73459
On affected platforms running Arista EOS with IS-IS configured, an unauthenticated attacker who can inject a specially crafted IS-IS LSP PDU can cause the legitimate LSP to be unexpectedly purged from the IS-IS link-state database. This may result in traffic loss...
CVE-2026-73460
On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthenticated attacker who can inject a malformed IS-IS LSP PDU packet can cause the IS-IS graceful restart procedure to terminate prematurely. This may result in traffic loss following a restart event...
PT-2026-93912
On affected platforms running Arista EOS with VRRP enabled, the peer device VRRP authentication credentials are logged in cleartext on the switch, allowing an authenticated user with sufficient privileges to view agent trace logs or a system receiving forwarded log output to obtain the peer devic...
Arista Networks EOS 802.1X Per-Supplicant ACL Bypass (SA0150) (CVE-2026-77191)
The version of Arista Networks EOS running on the remote device is affected by an access control bypass vulnerability as referenced in security advisory SA0150. - On affected releases of Arista EOS configured as an 802.1X authenticator with per-supplicant access control lists, the ACL assigned to...
PT-2026-93367
Name of the Vulnerable Software and Affected Versions Arista EOS affected versions not specified Description On platforms where the gRPC Network Management Interface gNMI is enabled, an authenticated client with gNMI access can send a specially crafted request to execute arbitrary code with root...
CVE-2026-73464: Improper Control of Generation of Code
On affected platforms running Arista EOS with gRPC Network Management Interface gNMI enabled, a specially crafted request could allow a malicious authenticated client with gRPC Network Management Interface gNMI access to execute arbitrary code with root privileges on the switch...
PT-2026-93259
Name of the Vulnerable Software and Affected Versions Arista EOS affected versions not specified Description An unauthenticated attacker with access to the Dual Primary Detection network segment can send specially crafted packets to interfere with the dual-primary state of platforms running Arist...
CVE-2026-73438: Reachable Assertion
On affected platforms running Arista EOS with Open Shortest Path First version 3 OSPFv3 configured, an unauthenticated attacker on the same OSPFv3 broadcast domain can send a specially crafted set of packets that can cause the Ospf3 agent to restart unexpectedly. The crash results in the loss of...
CVE-2026-73460: Incorrect Authorization
On affected platforms running Arista EOS with IS-IS graceful restart enabled, an unauthenticated attacker who can inject a malformed IS-IS LSP PDU packet can cause the IS-IS graceful restart procedure to terminate prematurely. This may result in traffic loss following a restart event...
PT-2026-93428
Name of the Vulnerable Software and Affected Versions Arista EOS affected versions not specified Description An unauthenticated attacker network-adjacent to the switch can cause a sustained denial of service on devices configured with PIM Sparse Mode and MLAG. By sending malformed messages, the...
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...
CVE-2026-73459: Improper Validation of Integrity Check Value
On affected platforms running Arista EOS with IS-IS configured, an unauthenticated attacker who can inject a specially crafted IS-IS LSP PDU can cause the legitimate LSP to be unexpectedly purged from the IS-IS link-state database. This may result in traffic loss...
PT-2026-93410
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 o...