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Critical 9.3Published Nov 6, 2025

CVE-2025-11546CLUSTERPRO X for Linux 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2 and EXPRESSCLUSTER X for Linux 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2, CLUSTERPRO X SingleServerSafe for Linux 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2, EXPRESS…

Updated under an hour ago ()

Does this affect you?

It affects NEC Corporation CLUSTERPRO X for Linux (EXPRESSCLUSTER X for Linux) and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

CLUSTERPRO X for Linux 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2 and EXPRESSCLUSTER X for Linux 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2, CLUSTERPRO X SingleServerSafe for Linux 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2, EXPRESSCLUSTER X SingleServerSafe for Linux 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2 allows an attacker sends specially crafted network packets to the product, arbitrary OS commands may be executed without authentication.

CVSS
9.3 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-78
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
NEC
NVD analysis
Deferred
Record last updated
Nov 7, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
NEC Corporation CLUSTERPRO X for Linux (EXPRESSCLUSTER X for Linux)
nec:clusterpro_x_for_linux_expresscluster_x_for_linux (from the name)
4.0, 4.1, 4.2, 5.0, 5.1 and 5.2
CNA record
NEC Corporation CLUSTERPRO X SingleServerSafe for Linux (EXPRESSCLUSTER X SingleServerSafe for Linux)
nec:clusterpro_x_singleserversafe_for_linux_expresscluster_x_singleserversafe_for_linux (from the name)
4.0, 4.1, 4.2, 5.0, 5.1 and 5.2
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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