CVE-2025-11546
Critical
Description
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.
SeverityCritical
CVSS9.3
Exploit probability—
ProductCLUSTERPRO X for Linux (EXPRESSCLUSTER X for Linux)
PublishedNov 7, 2025
First seenNov 7, 2025
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| NEC Corporation CLUSTERPRO X for Linux (EXPRESSCLUSTER X for Linux) | 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2 | — |
| NEC Corporation CLUSTERPRO X SingleServerSafe for Linux (EXPRESSCLUSTER X SingleServerSafe for Linux) | 4.0, 4.1, 4.2, 5.0, 5.1 and 5.2 | — |
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