CVE-2025-7916 Simopro Technology|WinMatrix3 - Insecure Deserialization

Critical 9.3 Published Updated

Unauthenticated remote attackers can execute arbitrary code on Simopro Technology WinMatrix3 servers via insecure deserialization.

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-2025-7916?

CVE-2025-7916 is a critical unsafe deserialization vulnerability in Simopro Technology WinMatrix3, published on 21 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WinMatrix3 developed by Simopro Technology has an Insecure Deserialization vulnerability, allowing unauthenticated remote attackers to execute arbitrary code on the server by sending maliciously crafted serialized contents.

Weakness: CWE-502

Which versions are affected by CVE-2025-7916?

How do I fix CVE-2025-7916?

No fix has been published for CVE-2025-7916 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2025-7916 being exploited?

There is no known exploitation of CVE-2025-7916 in the wild and no public exploit code.

Sources

Also known as GHSA-frp4-hvgq-ch3w.

Is CVE-2025-7916 in your software?

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