Is CVE-2026-42781 actively exploited?

No active exploitation of CVE-2026-42781 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-42781 be exploited remotely?

Partially. CVE-2026-42781 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-42781?

CVE-2026-42781 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-42781

CWE-835Published: May 13, 2026· Updated: May 13, 2026

6.5

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:6.3th

Official Description

When embedded Packet Velocity Acceleration (ePVA) acceleration is configured, undisclosed local ethernet traffic can cause an increase in ePVA and Traffic Management Microkernel (TMM) resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

NVD Source

Technical Analysis

CVE-2026-42781 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.