How severe is CVE-2025-7048?

CVE-2025-7048 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-7048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-7048?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-7048 have an EU (EUVD) identifier?

Yes. CVE-2025-7048 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0962.

When was CVE-2025-7048 published?

CVE-2025-7048 was published on 2026-01-06 and last updated on 2026-06-17.

CVE-2025-7048

CVE-2025-7048 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-805.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-0962
Weakness: CWE-805
Published: 2026-01-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 of dataplane traffic.
How severe is CVE-2025-7048?: CVE-2025-7048 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-7048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-7048?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-7048 have an EU (EUVD) identifier?: Yes. CVE-2025-7048 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0962.
When was CVE-2025-7048 published?: CVE-2025-7048 was published on 2026-01-06 and last updated on 2026-06-17.

References

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

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