What’s Vulnerable › Vulnerabilities
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
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-12-16 · updated 2026-06-17
- Weakness: CWE-400
Description
On affected platforms running Arista EOS with OSPFv3 configured, a specially crafted packet can cause the OSFPv3 process to have high CPU utilization which may result in the OSFPv3 process being restarted. This may cause disruption in the OSFPv3 routes on the switch. This issue was discovered internally by Arista and is not aware of any malicious uses of this issue in customer networks.
Affected products
- Arista Networks EOS: from 4.34.0 through 4.34.1F; from 4.33.0 through 4.33.4M; from 4.32.0 through 4.32.7M; from 4.31.0 through 4.31.8M; through 4.31.0
References
Get alerted when CVE-2025-8872 or the next vulnerability affects your stack