# Arista EOS vulnerabilities

Source: https://junglewise.ai/threats/technologies/eos  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/eos.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 73 vulnerabilities in Arista EOS: 24 in the last 7 days and 65 in the last 90 days, 9 of them critical and 1 exploited in the wild. The most recent, CVE-2026-121371, was published on 10 November 2026. Nothing in the last four weeks, down from 41 vulnerabilities in the four before. 0 critical against 4.

## Counts

- Last 7 days: 24
- Last 30 days: 24
- Last 90 days: 65
- All time: 73 (9 critical, 1 exploited in the wild)

## About Arista EOS

Arista EOS is a network operating system for switches and routing devices.

## Latest Arista EOS vulnerabilities

- [CVE-2026-121371: Arista EOS path traversal in eAPI service](https://junglewise.ai/threats/cve-2026-121371-on-affected-eos-versions-with-the-eapi-service-enabled-a) (high, CVSS 7.5, published 10 Nov 2026)
- [CVE-2026-121370: Arista EOS denial of service in PTP](https://junglewise.ai/threats/cve-2026-121370-on-affected-platforms-running-arista-eos-with-precision-time) (high, CVSS 8.6, published 10 Nov 2026)
- [CVE-2026-121369: Arista EOS denial of service via resource exhaustion](https://junglewise.ai/threats/cve-2026-121369-on-affected-platforms-running-arista-eos-under-specific-link) (medium, CVSS 5.3, published 10 Nov 2026)
- [CVE-2026-121368: Arista EOS BFD authentication out-of-bounds write](https://junglewise.ai/threats/cve-2026-121368-on-affected-platforms-running-arista-eos-with-bidirectional) (high, CVSS 8.6, published 10 Nov 2026)
- [CVE-2026-121367: Arista EOS RIPv2 silent enablement on management interfaces](https://junglewise.ai/threats/cve-2026-121367-on-affected-arista-eos-platforms-with-routing-information) (critical, CVSS 9.6, published 10 Nov 2026)
- [CVE-2026-121295: Arista EOS kernel crash via crafted S-BFD PDU](https://junglewise.ai/threats/cve-2026-121295-on-affected-platforms-running-arista-eos-configured-as-s-bfd) (high, CVSS 8.6, published 10 Nov 2026)
- [CVE-2026-121294: Arista EOS S-BFD reflector proxy denial of service](https://junglewise.ai/threats/cve-2026-121294-on-affected-platforms-running-arista-eos-with-a-s-bfd-reflector) (medium, CVSS 5.3, published 10 Nov 2026)
- [CVE-2026-121293: Arista EOS BGP denial of service in Dynamic Path Selection](https://junglewise.ai/threats/cve-2026-121293-on-affected-eos-based-platforms-an-attacker-who-controls-a) (medium, CVSS 4.4, published 10 Nov 2026)
- [CVE-2026-121292: Arista EOS out-of-bounds read in RPKI Error Report handling](https://junglewise.ai/threats/cve-2026-121292-a-malformed-error-report-can-cause-eos-to-read-beyond-packet) (high, CVSS 8.2, published 10 Nov 2026)
- [CVE-2026-121291: Arista EOS RPKI error report denial of service](https://junglewise.ai/threats/cve-2026-121291-a-crafted-error-report-can-leave-eos-stuck-believing-that-a) (high, CVSS 8.2, published 10 Nov 2026)
- [CVE-2026-121290: Arista EOS BGP ACL bypass on custom listen port](https://junglewise.ai/threats/cve-2026-121290-on-affected-platforms-running-arista-eos-with-border-gateway) (high, CVSS 8.2, published 10 Nov 2026)
- [CVE-2026-121289: Arista EOS BGP agent crash via crafted packet](https://junglewise.ai/threats/cve-2026-121289-on-affected-platforms-running-arista-eos-with-bgp-configured-a) (critical, CVSS 9.8, published 10 Nov 2026)
- [CVE-2026-121288: Arista EOS RIPv2 MD5 authentication bypass](https://junglewise.ai/threats/cve-2026-121288-an-unauthenticated-attacker-on-an-adjacent-network-segment-can) (high, CVSS 8.1, published 10 Nov 2026)
- [CVE-2026-121287: Arista EOS RIPv2 buffer underflow and authentication bypass](https://junglewise.ai/threats/cve-2026-121287-an-unauthenticated-attacker-on-an-adjacent-network-segment-can) (high, CVSS 8.8, published 10 Nov 2026)
- [CVE-2026-121286: Arista EOS BGP process crash via crafted SR-TE packets](https://junglewise.ai/threats/cve-2026-121286-on-affected-platforms-running-arista-eos-in-multi-agent-routing) (medium, CVSS 6.5, published 10 Nov 2026)
- [CVE-2026-120983: Arista EOS improper access control with 802.1x and Policy Based Routing](https://junglewise.ai/threats/cve-2026-120983-on-affected-eos-platforms-where-802-1x-is-configured-in-multi) (high, CVSS 7.6, published 10 Nov 2026)
- [CVE-2026-120982: Arista EOS BGP session reset denial of service](https://junglewise.ai/threats/cve-2026-120982-on-affected-platforms-running-arista-eos-with-border-gateway) (high, CVSS 7.5, published 10 Nov 2026)
- [CVE-2026-120981: Arista EOS VPLS-BGP route advertisement disruption](https://junglewise.ai/threats/cve-2026-120981-on-affected-platforms-running-arista-eos-with-vpls-bgp-enabled) (medium, CVSS 5.3, published 10 Nov 2026)
- [CVE-2026-120980: Arista EOS BGP agent denial of service in VPLS-BGP](https://junglewise.ai/threats/cve-2026-120980-on-affected-platforms-running-arista-eos-with-vpls-bgp-enabled) (medium, CVSS 5.3, published 10 Nov 2026)
- [CVE-2026-120979: Arista EOS improper validation in BGP-LS path selection](https://junglewise.ai/threats/cve-2026-120979-this-vulnerability-affects-customers-using-arista-pathfinder-for) (high, CVSS 8.1, published 10 Nov 2026)
- [CVE-2026-120978: Arista EOS denial of service in BGP-LS](https://junglewise.ai/threats/cve-2026-120978-on-affected-arista-eos-platforms-running-border-gateway-protocol) (medium, CVSS 6.5, published 10 Nov 2026)
- [CVE-2026-120977: Arista EOS DHCP device profiling spoofing in 802.1X](https://junglewise.ai/threats/cve-2026-120977-on-affected-platforms-running-arista-eos-with-802-1x-with) (high, CVSS 8.2, published 10 Nov 2026)
- [CVE-2026-120976: Arista EOS sensitive data exposure in diagnostic logs during SSU](https://junglewise.ai/threats/cve-2026-120976-on-affected-platforms-running-arista-eos-with-ieee-802-1x) (medium, CVSS 6, published 10 Nov 2026)
- [CVE-2026-120974: Arista EOS IPsec anti-replay window bypass in AutoVPN](https://junglewise.ai/threats/cve-2026-120974-on-affected-platforms-running-arista-eos-with-ipsec-autovpn) (medium, CVSS 5.3, published 10 Nov 2026)
- [CVE-2026-73462: Arista EOS IGMP snooping denial of service via malformed packets](https://junglewise.ai/threats/cve-2026-73462-arista-eos-igmp-snooping-denial-of-service-via-malformed-packets) (medium, CVSS 6.5, published 16 Sep 2026)

## Most severe Arista EOS vulnerabilities

- [CVE-2026-7473: Arista EOS improper tunnel protocol verification in decapsulation](https://junglewise.ai/threats/cve-2026-7473-arista-eos-improper-tunnel-protocol-verification-in-decapsulation) (critical, exploited in the wild, CVSS 5.8, published 5 Jun 2026)
- [CVE-2026-73456: Arista EOS gNPSI arbitrary code execution](https://junglewise.ai/threats/cve-2026-73456-arista-eos-gnpsi-arbitrary-code-execution) (critical, CVSS 10, published 16 Sep 2026)
- [CVE-2026-73453: Arista EOS P4Runtime arbitrary code execution](https://junglewise.ai/threats/cve-2026-73453-arista-eos-p4runtime-arbitrary-code-execution) (critical, CVSS 10, published 16 Sep 2026)
- [CVE-2026-121289: Arista EOS BGP agent crash via crafted packet](https://junglewise.ai/threats/cve-2026-121289-on-affected-platforms-running-arista-eos-with-bgp-configured-a) (critical, CVSS 9.8, published 10 Nov 2026)
- [CVE-2026-73437: Arista EOS DHCP relay source validation bypass](https://junglewise.ai/threats/cve-2026-73437-arista-eos-dhcp-relay-source-validation-bypass) (critical, CVSS 9.6, published 15 Sep 2026)
- [CVE-2026-121367: Arista EOS RIPv2 silent enablement on management interfaces](https://junglewise.ai/threats/cve-2026-121367-on-affected-arista-eos-platforms-with-routing-information) (critical, CVSS 9.6, published 10 Nov 2026)
- [CVE-2024-27892: Arista EOS unauthorized configuration change via gNMI Set in OpenConfig](https://junglewise.ai/threats/cve-2024-27892-arista-eos-unauthorized-configuration-change-via-gnmi-set-in) (critical, CVSS 9.6, published 4 Jun 2026)
- [CVE-2024-27890: Arista EOS unauthorized configuration change via gNMI Set in OpenConfig](https://junglewise.ai/threats/cve-2024-27890-arista-eos-unauthorized-configuration-change-via-gnmi-set-in) (critical, CVSS 9.6, published 4 Jun 2026)
- [CVE-2026-73447: Arista EOS privilege escalation in gNSI Certz](https://junglewise.ai/threats/cve-2026-73447-arista-eos-privilege-escalation-in-gnsi-certz) (critical, CVSS 9.1, published 16 Sep 2026)
- [CVE-2026-73464: Arista EOS code injection in gNMI interface](https://junglewise.ai/threats/cve-2026-73464-arista-eos-code-injection-in-gnmi-interface) (high, CVSS 8.8, published 16 Sep 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 41 vulnerabilities in the four before. 0 critical against 4.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 41 | 4 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 24 | 2 | 0 |

## Other Arista technologies

- [Arista CloudVision Portal](https://junglewise.ai/threats/technologies/cloudvision-portal): 18 vulnerabilities
- [Arista Wi-Fi Access Point](https://junglewise.ai/threats/technologies/wi-fi-access-point): 6 vulnerabilities
- [Arista CloudEOS](https://junglewise.ai/threats/technologies/cloudeos): 5 vulnerabilities
- [Arista cEOS-lab](https://junglewise.ai/threats/technologies/ceos-lab): 4 vulnerabilities
- [Arista Velocloud Edge](https://junglewise.ai/threats/technologies/velocloud-edge): 4 vulnerabilities
- [Arista vEOS-lab](https://junglewise.ai/threats/technologies/veos-lab): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Arista EOS vulnerabilities", https://junglewise.ai/threats/technologies/eos, 11 November 2026.
