CVE-2019-3946

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-06-12 · updated 2026-06-17
Weakness: CWE-190

Description

Fuji Electric V-Server before 6.0.33.0 is vulnerable to denial of service via a crafted UDP message sent to port 8005. An unauthenticated, remote attacker can crash vserver.exe due to an integer overflow in the UDP message handling logic.

Affected products

Fuji Electric V-Server Lite: before 6.0.33.0 — fixed in 6.0.33.0

How to fix

Upgrade to a fixed version: Fuji Electric V-Server Lite 6.0.33.0. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/108740
https://www.tenable.com/security/research/tra-2019-27
http://www.securityfocus.com/bid/108740
https://www.tenable.com/security/research/tra-2019-27

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