CVE Tools
Sign in

CVE-2025-7048

Published: Jan 6, 2026Updated: Jan 8, 2026 Sources: CVE List NVDCWE-805
NVD MITRE
4.3CVSSMEDIUM
EPSS Score
0.2%
Top 93.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:AAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-805

Affected Products

EOSArista Networks
On-prem
Networking Infrastructure / router-switch
arista networkscommercialUSNetworking Infrastructureaka arista networks

Exploitability

Official Patch Available
Workaround Available

References

https://www.arista.com/en/support/advisories-notices/security-advisory/23120-security-advisory-0132
arista.com

Timeline

Published
Jan 6, 2026
Last Updated
Jan 8, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-7048 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows