# CVE-2025-7048

## Summary

- **CVE ID:** CVE-2025-7048
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N)
- **CWE:** CWE-805
- **Published:** Jan 6, 2026
- **Last Modified:** Mar 12, 2026

## Description

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 of dataplane traffic.

## Affected Products

- Arista Networks — EOS (4.34.3.0)
- Arista Networks — EOS (4.33.0)
- Arista Networks — EOS (4.32.0)
- Arista Networks — EOS (4.31.0)
- Arista Networks — EOS (0)

## References

- [CNA](https://www.arista.com/en/support/advisories-notices/security-advisory/23120-security-advisory-0132)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.18%
- **EPSS Percentile:** 7.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._