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EOS — Vulnerabilities & Security Advisories 29

All 29 CVE vulnerabilities found in EOS, with AI-generated Chinese analysis, references, and POCs.

Vendor: Arista Networks

CVE IDTitleCVSSSeverityPublished
CVE-2025-7048 On affected platforms running Arista EOS with MACsec configuration, a specially crafted packet can cause the MACsec process to terminate unexpectedly. Continuous receipt of these packets with certain MACsec configurations can cause longer term disruption o CWE-805 4.3 Medium2026-01-06
CVE-2025-8872 A specially crafted packet can cause the OSFPv3 process to have high CPU utilization which may result in the OSFPv3 process being restarted CWE-400 6.5 Medium2025-12-16
CVE-2025-8870 On affected platforms running Arista EOS, certain serial console input might result in an unexpected reload of the device. CWE-248 4.9 Medium2025-11-14
CVE-2025-6188 On affected platforms running Arista EOS, maliciously formed UDP packets with source port 3503 may be accepted by EOS. UDP Port 3503 is associated with LspPing Echo Reply. This can result in unexpected behaviors, especially for UDP based services that do n 7.5 High2025-08-25
CVE-2025-3456 On affected platforms running Arista EOS, the global common encryption key configuration may be logged in clear text, in local or remote accounting logs. Knowledge of both the encryption key and protocol specific encrypted secrets from the device running-c CWE-532 3.8 Low2025-08-25
CVE-2025-2826 n affected platforms running Arista EOS, ACL policies may not be enforced. IPv4 ingress ACL, MAC ingress ACL, or IPv6 standard ingress ACL enabled on one or more ethernet or LAG interfaces may result in ACL policies not being enforced for ingress packets. CWE-1284 2.6 Low2025-05-27
CVE-2025-2796 On affected platforms with hardware IPSec support running Arista EOS with IPsec enabled and anti-replay protection configured, EOS may exhibit unexpected behavior in specific cases. Received duplicate encrypted packets, which should be dropped under normal 5.3 Medium2025-05-27
CVE-2024-11185 On affected platforms running Arista EOS, ingress traffic on Layer 2 ports may, under certain conditions, be improperly forwarded to ports associated with different VLANs, resulting in a breach of VLAN isolation and segmentation boundaries. 6.5 Medium2025-05-27
CVE-2024-9448 On affected platforms running Arista EOS with Traffic Policies configured the vulnerability will cause received untagged packets not to hit Traffic Policy rules that they are expected to hit. If the rule was to drop the packet, the packet will not be dropp CWE-1284 7.5 High2025-05-08
CVE-2025-0936 On affected platforms running Arista EOS with a gNMI transport enabled, running the gNOI File TransferToRemote RPC with credentials for a remote server may cause these remote-server credentials to be logged or accounted on the local EOS device or possibly CWE-256 6.5 Medium2025-05-07
CVE-2024-8000 On affected platforms running Arista EOS with 802.1X configured, certain conditions may occur where a dynamic ACL is received from the AAA server resulting in only the first line of the ACL being installed after an Accelerated Software Upgrade (ASU) restar CWE-1284 5.3 Medium2025-03-04
CVE-2024-9135 On affected platforms running Arista EOS with BGP Link State configured, BGP peer flap can cause the BGP agent to leak memory. This may result in BGP routing processing being terminated and route flapping. CWE-401 5.3 Medium2025-03-04
CVE-2025-1260 On affected platforms running Arista EOS with OpenConfig configured, a gNOI request can be run when it should have been rejected. CWE-284 9.1 Critical2025-03-04
CVE-2025-1259 On affected platforms running Arista EOS with OpenConfig configured, a gNOI request can be run when it should have been rejected. CWE-284 7.7 High2025-03-04
CVE-2024-5872 On affected platforms running Arista EOS, a specially crafted packet with incorrect VLAN tag might be copied to CPU, which may cause incorrect control plane behavior related to the packet, such as route flaps, multicast routes learnt, etc. 6.5 Medium2025-01-10
CVE-2024-7095 On affected platforms running Arista EOS with SNMP configured, if “snmp-server transmit max-size” is configured, under some circumstances a specially crafted packet can cause the snmpd process to leak memory. This may result in the snmpd process being term 4.3 Medium2025-01-10
CVE-2023-3646 On affected platforms running Arista EOS with mirroring to multiple destinations configured, an internal system error may trigger a kernel panic and cause system reload. CWE-125 5.9 Medium2023-08-29
CVE-2023-24548 On affected platforms running Arista EOS with VXLAN configured, malformed or truncated packets received over a VXLAN tunnel and forwarded in hardware can cause egress ports to be unable to forward packets CWE-120 5.3 Medium2023-08-29
CVE-2023-24513 On affected platforms running Arista CloudEOS a size check bypass issue in the Software Forwarding Engine (Sfe) may allow buffer over reads in later code. Additionally, depending on configured options this may cause a recomputation of the TCP checksum ... CWE-126 6.5 Medium2023-04-12
CVE-2023-24545 On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. CWE-400 7.5 High2023-04-12
CVE-2023-24511 On affected platforms running Arista EOS with SNMP configured, a specially crafted packet can cause a memory leak in the snmpd process. CWE-401 5.3 Medium2023-04-12
CVE-2023-0452 Econolite EOS traffic control software 加密问题漏洞 CWE-328 9.8 Critical2023-01-26
CVE-2023-0451 Econolite EOS traffic control software 访问控制错误漏洞 CWE-284 7.5 High2023-01-26
CVE-2021-28510 For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling message with an invalid Type-Length-Value (TLV) causes the PTP agent to restart. Repeated restarts of the service will make the service unavailable. CWE-400 5.3 Medium2023-01-24
CVE-2021-28511 This advisory documents the impact of an internally found vulnerability in Arista EOS for security ACL bypass. The impact of this vulnerability is that the security ACL drop rule might be bypassed if a NAT ACL rule filter with permit action matches t ... CWE-284 5.8 Medium2022-08-05
CVE-2021-28505 On affected Arista EOS platforms, if a VXLAN match rule exists in an IPv4 access-list that is applied to the ingress of an L2 or an L3 port/SVI, the VXLAN rule and subsequent ACL rules in that access list will ignore the specified IP protocol. CWE-284 7.5 High2022-04-14
CVE-2021-28504 On Arista Strata family products which have “TCAM profile” feature enabled when Port IPv4 access-list has a rule which matches on “vxlan” as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol fi ... CWE-284 7.5 High2022-04-01
CVE-2021-28507 An issue has recently been discovered in Arista EOS where, under certain conditions, the service ACL configured for OpenConfig gNOI and OpenConfig RESTCONF might be bypassed, which results in the denied requests being forwarded to the agent. CWE-284 5.5 Medium2022-01-14
CVE-2021-28506 An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device. CWE-285 9.1 Critical2022-01-14

All 29 known CVE vulnerabilities affecting EOS with full Chinese analysis, references, and POCs where available.