CVE-2025-11546 Command injection in CLUSTERPRO X SingleServerSafe for Linux (EXPRESSCLUSTER X SingleServerSafe for Linux)
Attackers can execute arbitrary OS commands without authentication by sending crafted network packets to NEC CLUSTERPRO X for Linux.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11546?
CVE-2025-11546 is a critical command injection vulnerability in NEC Corporation CLUSTERPRO X SingleServerSafe for Linux (EXPRESSCLUSTER X SingleServerSafe for Linux), published on 7 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2025-11546?
How do I fix CVE-2025-11546?
No fix has been published for CVE-2025-11546 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-11546 being exploited?
There is no known exploitation of CVE-2025-11546 in the wild and no public exploit code.
Sources
Also known as GHSA-hxh9-cj4v-cqch.